Задание: Complete the sentences with the present perfect form of the verbs in brackets.
1.We ... (start) exercise 4.
2.The teacher ... (explain) it to us.
3.My classmates ... (help) me.
4.Our teacher ... (give) us some homework.
5.I ... (look) at the irregular verbs list.
6.We ... (finish) this exercise.
1 have started
2 has explained
3 have helped
4 has given
5 have looked
6 have finished
Объяснение: