Build a Sentence
Sentence-building tasks test grammar, word order, connectors, clause structure, punctuation, and preserving intended meaning.
How to study for TOEFL iBT
Build every answer around communicative purpose, academic context, source information, register, organization, clarity, and meaning preservation.
Core concepts
Concept 1
Build a Sentence questions reward matching meaning, purpose, organization, and academic communication context.
Exam cue: Identify the task type before reading answer choices.
Concept 2
The strongest answer uses the exact reading, listening, speaking, or writing task instead of general English knowledge alone.
Exam cue: Anchor the answer in context, tone, organization, source information, or communicative goal.
Concept 3
Eliminate answers that are grammatically possible but do not fit the purpose, register, or source information.
Exam cue: Check that the response is clear, concise, accurate, and appropriate for academic English.
Risk pitfalls and guardrails
Choosing a fluent-sounding answer that changes meaning.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Ignoring purpose, register, or the source information.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Overusing outside knowledge instead of the language evidence in the item.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Memory anchors
Word Order
English word order should place subject, verb, object, modifiers, and complements logically.
Clause
A clause contains a subject and verb.
Connector
A connector shows the relationship between clauses or ideas.
Sentence Boundary
Sentence boundaries prevent fragments and run-ons.
Modifier Placement
Modifiers should be placed near the words they describe.
Parallel Form
Parallel form uses matching structures in lists or comparisons.
Meaning Preservation
The completed sentence must preserve intended meaning.
Punctuation Fit
Punctuation must fit the sentence structure.
Subject Verb Agreement
The subject and verb must agree.
Concise Sentence
A concise sentence expresses the idea without unnecessary words.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Combine these ideas into one clear, correct sentence: 'The results were surprising. Nobody had expected them.'
Choose the sentence with correct subject-verb agreement about a team.
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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