Определите время глагола и поставьте 3 специальных вопроса к предложениям.

1) I have made some mistakes in this exercise.

a) Who

b) Were

c) How many

2) The doctor wisited his patients at home an hour ago.

a) When

b) Where

c) Whom

3) Human heart pumps blood through the body.

a) Where

b) What

c) What

1) past simple / 1) who have made some mistakes in this exercise

2) where were made some mistakes 3) how many mistakes were made in this exercise

2) past / when the doctor visited ...

where the doctor visited a patient

Whom a doctor visited

3) where a heart pumps blood

what shakes the heart pump