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6 IELTS Grammar questions with answers and explanations.
Printable worksheet with answer key
The number of mobile users ____ rapidly over the last decade.
Correct answer: has increased
The present perfect links a past period to now.
In 2010 the figure ____ 20 percent.
By 2030 the population ____ by 10 percent, according to the forecast.
Correct answer: will have risen
The future perfect shows completion before a future time.
When I called her, she ____ dinner.
Correct answer: was cooking
The past continuous shows an action in progress.
Scientists ____ this disease for many years, but they have not found a cure.
Correct answer: have been studying
The present perfect continuous stresses duration up to now.
The graph ____ the percentage of households with internet access.
Correct answer: shows
Use the present simple to describe what a chart shows.