Common mistake
Only writing went up/down lacks extent and time period.
Turn the chart type into an overview, data selection, comparisons, and sentence control first. The goal is not memorising one sample; it is knowing what this chart needs most.
Decide which relationship the chart requires first, then choose the figures and language that support the overview.
Only writing went up/down lacks extent and time period.
Accurate trend sentences include from, to, by, or over the period, not just one verb.
Label each line by direction, speed, peak, and final position first.
Rewrite three simple up/down sentences with starting point, ending point, and extent.
These pages explain the Banfen Writing diagnostic and blocker-repair method, Task 1 overview, Task 2 development, and common score blockers.
After submitting a Task 1 report, inspect the overview, key data, comparisons, and sentence accuracy first, then decide whether to rewrite the overview, data sentences, or linking.