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IELTS · Task 1 Process Diagrams · Brazil

Task 1 Process Diagrams for the IELTS Exam — Brazilian candidates

5% of the IELTS test plan. Process diagrams are a sub-type of Academic Task 1 — describing a flow, cycle, or manufacturing process step-by-step. Calibrated for Brazilian candidates.

Examiners do not award marks for content alone — they award them for the ability to demonstrate competency in the precise format the test demands. Task 1 Process Diagrams sits at roughly 5% of the International English Language Testing System content distribution — Process diagrams appear in roughly 15% of Academic Task 1 tests. They require passive voice and sequencing language ("In the first stage…, This is then transferred to…") rather than the trend vocabulary used for charts. Pass rates for the IELTS are published annually by the awarding body and vary by cohort and locale. For Brazilian candidates preparing for IELTS, the calibration of study to local context matters: ENEM is Brazil's national entrance exam. For international study, IELTS and TOEFL dominate; CDL US licensure is a growing cross-border opportunity.

Pass rates for IELTS (Brazil) are published periodically by the awarding body.

Common failure modes

These are the patterns that cause most candidates to lose marks on this topic. Recognising them in advance is half the work.

  • !Using past tense ("was transferred") instead of present passive ("is transferred")
  • !Listing steps without grouping into logical phases
  • !Forgetting to write the overview
  • !Copying labels verbatim from the diagram instead of paraphrasing

Study tips

  • 1Memorize 10 sequencing phrases ("Firstly,", "In the next stage,", "Subsequently,").
  • 2Drill the present-simple passive voice ("is heated to 200°C", "is then poured into…").
  • 3Practice grouping steps into phases (e.g., preparation → transformation → packaging).
  • 4Always write the 2-sentence overview describing how many stages and the start/end product.
  • 5Brazilian candidates preparing for IELTS should account for visa-processing timelines if testing abroad — most U.S. test centres require a B1/B2 visa appointment scheduled 90+ days in advance.

Sample IELTS Task 1 Process Diagrams questions

These sample items mirror the format and difficulty of real IELTS questions. Practice with thousands more on the free Koydo question bank.

  1. 1

    In an Academic Task 1 process diagram, the dominant verb form is:

    • APast simple active
    • BPresent simple active
    • CPresent simple passiveCorrect
    • DFuture passive
    Why this answer?

    Process diagrams describe a generic, repeatable process. The present simple passive ("is heated", "is mixed") is the correct form because the agent (who heats it) is irrelevant.

Frequently asked questions

How long should a Task 1 process essay be?
150 words minimum, 160–180 ideal. The structure is identical to chart Task 1: introduction (paraphrased prompt), overview (number of stages, what is produced), 2 body paragraphs (grouped phases).
What is the IELTS pass rate for Brazilian candidates?
Pass rates for IELTS candidates in Brazil are published periodically by the awarding body. Practice questions, full-length simulations, and weak-area drills are the highest-impact way to improve your odds.
How long should Brazilian candidates study Task 1 Process Diagrams for the IELTS?
For most candidates, focused mastery of Task 1 Process Diagrams requires 20–40 hours of deliberate practice — drilling sample questions, reviewing failure modes, and timing yourself against exam conditions. ENEM is Brazil's national entrance exam. For international study, IELTS and TOEFL dominate; CDL US licensure is a growing cross-border opportunity. Combine Task 1 Process Diagrams study with full-length mock exams in the final two weeks before your test date.

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