Grammar recap unit 5

Past simple vs. present perfect

They __________ (be) leaders in the treatment of this illness since 2003.

Past simple vs. present perfect

Annette _________ (borrow) my electronic bike yesterday.

Past simple vs. present perfect

I _________ (not turn off) the lights when I left the house.

Past simple vs. present perfect

I ____________ (finish) my assignment on the infectious diseases. Here it is.

Past simple vs. present perfect

The paramedics ________ (resuscitate) the man after he had collapsed.

Present simple vs. present perfect

Susannah _______ (keep) a diary ever since childhood.

Present simple vs. present perfect

They usually tell me when they ________ (not speak) Dutch.

Present simple vs. present perfect

Sometimes he ________ (make matters worse) by overreacting.

Present simple vs. present perfect

Look at her face! She ______ (go) very pale.

For the last five years, Tom _____ (run) for five miles every day.