exercise 2
It has been snowing all day.She has been working in hospital since 1999.How long have you been having driving lessons?I have been learning English for a long time.exercise 3
1. Tony has been talking (talk) on the phone for two hours.
2. I ___have been looking (look) for my keys since 11 a.m.
3. We ___have been waiting (wait) for the bus for 20 minutes.
4. She has been playing (play) computer games for 50 minutes.
5. They have been livong (live) in Moscow since January.
exercise 4
Jane has been teaching the cycle of life.Rose has been cleaning out a pond.Dave has been planting flowers.Tim has been building nesting boxes.exercise 5
isn't she?hasn't he?isn't she?don't they?can't you?exercise 6
make up withmake outmake upexercise 8
fchadjbige
1.False
2.False
3.False
4.True
5.True