The most important distinction in English grammar at B1 and B2 level. Learn when to use Present Perfect (no specific time, or with ever / never / just / already / yet / since / for) and when to use Past Simple (specific finished time: yesterday, last week, in 2020, two hours ago). 40 multiple-choice questions.
Choose the correct tense. Present Perfect works when no past time is named, or when the time period is still open (today, this week, ever). Past Simple takes over as soon as the time is finished: yesterday, last year, in 2020, two days ago.