Some children can read every word in an academic sentence and still not know who did what.
“The proposal was rejected after a review of the evidence.”
Who rejected it?
“The reduction in emissions followed the implementation of new controls.”
Who reduced what? Who implemented the controls? What action connects the two events?
This is the Agent–Action Gap: the learner understands the vocabulary but struggles when English packages actions into passive clauses and abstract nouns, making the actor, action, object and causal pathway less visible.
Academic English often hides the actor
Everyday English often uses visible agents:
The council rejected the proposal.
Academic English may write:
The proposal was rejected.
Or compress the action further:
The rejection of the proposal…
The event remains, but the actor becomes less visible.
This compression is useful because it lets writers discuss processes, systems and ideas efficiently. It also raises the comprehension burden.
SETC’s From Everyday English to Academic English owns the instructional layer. This article owns the parent-facing diagnosis: why apparently formal English can become foggy when agency disappears from the surface grammar.
Failure pattern 1: passive voice is processed without an agent model
“The report was revised before publication.”
The child understands that revision happened.
But who revised it may be unstated, unknown or deliberately backgrounded.
Strong readers notice that the agent is absent rather than unconsciously inventing one.
Failure pattern 2: passive sentences are mentally reversed
“The smaller company was acquired by the larger company.”
A weak reader may remember both companies and reverse who acquired whom.
The passive form places the receiver of the action first, which can conflict with the learner’s expectation that the first noun is the doer.
Failure pattern 3: nominalisation turns actions into things
Compare:
- The company expanded rapidly.
- The rapid expansion of the company…
The verb expanded becomes the noun expansion.
The event is now packaged as an object of thought.
A child who reads nouns only as “things” may fail to unpack the hidden action.
Failure pattern 4: several hidden actions accumulate in one sentence
“The implementation of the policy resulted in the reduction of waste and the redistribution of resources.”
Inside this sentence are several actions:
- someone implemented the policy;
- waste decreased;
- someone redistributed resources.
Dense nominalisation can hide an entire process inside a noun phrase.
Failure pattern 5: the child assumes the missing agent is obvious
Sometimes the writer omits the agent because it is irrelevant.
Sometimes because it is unknown.
Sometimes because the focus is intentionally on the process or result.
A critical reader should not automatically fill the gap with whichever actor feels plausible.
Failure pattern 6: responsibility becomes blurry
Compare:
- The company released the data late.
- The data were released late.
The second sentence backgrounds responsibility.
This does not make the sentence dishonest, but it changes what is foregrounded.
Understanding agency therefore matters for reading news, policy, history and institutional writing.
Failure pattern 7: cause and agent are confused
“The decline was caused by reduced demand.”
Reduced demand is a causal factor, not necessarily a human agent.
Children may flatten different semantic roles into a generic “who did it” model.
Strong reading distinguishes agents, causes, instruments, recipients and affected entities.
Failure pattern 8: nominalisation makes causal chains look static
“The expansion of roads contributed to the displacement of residents.”
The sentence contains a process.
Roads expanded. That expansion contributed to residents being displaced.
When all of this becomes nouns, the child may remember labels instead of mechanisms.
This overlaps with SETC’s Causal Model Gap.
Failure pattern 9: writing copies academic nouns without understanding their hidden verbs
A student learns phrases such as:
- the implementation of;
- the development of;
- the reduction of;
- the evaluation of.
The writing begins to sound academic but can become vague because the learner has not decided who is implementing, developing, reducing or evaluating what.
Nominalisation should compress understood meaning, not hide missing meaning.
Failure pattern 10: the child cannot move between active and passive versions
If the learner truly understands:
The samples were analysed by the researchers.
the child should be able to reconstruct:
The researchers analysed the samples.
Difficulty transforming between the two can reveal that the semantic roles are not stable.
A parent diagnostic: turn the nouns back into actions
Take a sentence such as:
The introduction of the new rule led to a reduction in late submissions.
Ask:
- Who introduced the rule?
- What action does introduction hide?
- What changed in the late submissions?
- Who or what caused that change?
Then rewrite the sentence with visible verbs and actors.
If the expanded version is much easier to understand, hidden agency is part of the difficulty.
Repair principle 1: identify semantic roles
For difficult sentences, ask:
- Who or what acts?
- What action occurs?
- What receives or is affected by the action?
- What caused the action?
- What result followed?
This rebuilds the event model underneath the grammar.
Repair principle 2: convert passive to active
When the agent is stated, rewrite passive clauses as active clauses.
Then compare what becomes more prominent in each version.
The goal is not to ban passive voice. It is to understand what passive voice does.
Repair principle 3: unpack nominalisations
Turn nouns back into verbs:
- implementation → implemented;
- reduction → reduced;
- evaluation → evaluated;
- movement → moved;
- decision → decided.
Then identify the subject and object of the hidden action.
Repair principle 4: ask why the writer hid the agent
Sometimes passive voice is appropriate because the agent is unknown, obvious or unimportant.
Sometimes the choice shifts attention away from responsibility.
Reading becomes stronger when the child can notice both possibilities without assuming motive.
Repair principle 5: rebuild dense noun phrases in stages
Take one dense phrase and expand it into several simple clauses.
Once the model is clear, compress it again.
SETC’s Sentence Unpacking owns the detailed instructional version of this process.
The agent–action ladder
- Identify the visible action.
- Identify who or what is affected.
- Recover the stated agent.
- Notice when the agent is missing.
- Unpack nominalised actions.
- Separate agent, cause and instrument.
- Convert between active and passive forms.
- Use compression deliberately in academic writing.
What not to confuse with the Agent–Action Gap
- If the sentence is difficult because of vocabulary, lexical knowledge is upstream.
- If several clauses cannot be held together, working memory may contribute.
- If the child understands the event but not why it happened, causal reasoning is the next layer.
- Passive voice itself is not bad writing; the issue is whether the learner can reconstruct the event accurately.
What improvement should look like
- Passive sentences are less likely to reverse actor and receiver.
- Missing agents are noticed rather than invented.
- Nominalisations are unpacked into clearer event models.
- Academic prose becomes easier to explain in ordinary language.
- Writing uses passive voice and nominalisation more deliberately.
- The child asks “who did what to whom?” automatically when sentences become dense.
The deeper lesson
Academic English often becomes difficult because actions stop looking like actions.
They are hidden inside passive structures and nouns.
The useful question is:
Can my child recover the underlying event—who acted, what happened, what was affected and what changed—even when the sentence hides those roles?
When the answer becomes yes, dense academic English becomes far less mysterious.
Research spine
- What Works Clearinghouse — Teaching Secondary Students to Write Effectively
- What Works Clearinghouse — Providing Reading Interventions for Students in Grades 4–9
- Reading Rockets — Effective Comprehension Instruction
Continue through The parent guide collection: why English feels difficult to choose the next connected guide.