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TOEFL iBT Practice (Grammar & Vocabulary) exam topics — the 5 content areas by weight
The TOEFL iBT Practice (Grammar & Vocabulary) exam is built from 5 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. Weights reflect the official content outline.
Grammar & Sentence Structure
22%Vocabulary in Context
22%Word Forms & Collocations
20%Connectors & Cohesion
18%Common Usage Errors
18%Ready to test yourself?
Drill 22+ free TOEFL iBT Practice (Grammar & Vocabulary) practice questions across every content area, then sit a full timed mock exam — no signup required.
Content-area weights reflect the official TOEFL iBT Practice (Grammar & Vocabulary) content outline. Confirm current details with ETS TOEFL official site. Study aid, not a substitute for the official material. Last updated: August 2026.