Проанализируйте формы глагола to be, приведенные в таблице. Отнесите события, о которых идет речь ниже, сначала к будущему, затем к прошлому, используя Future и Past Indefinite глагола to be и соответствующие обстоятельства времени: yesterday, tomorrow, next week, last month, next year, at 5 o'clock и т. д.

1 Victor is free in the evening.
2 John is in America.
3 I am very busy.
4 She is at the lecture.
5 The child is 10 years old.
6 This work is interesting.
7 The expedition is in Africa.
8 The new film is long.
9 My mother is at home.
10 The workers are at the factory.
11 The children are at school.
12 The students are at the Institute.