1.
c) While we were studying maths, they were playing cards.
d) They have been playing cards since three hours ago.
e) They play cards on Saturday night.
f) They are playing cards at the moment.
2.
a) John has been copying two cassettes since 8 o'clock.
b) John is copying two cassettes at present.
c) John will be copying two cassettes next Saturday.
d) John is already copying two cassettes.
e) John has been copying two cassettes yesterday.
3.
a) Kathy writes a letter every two weeks.
b) Kathy was writing a letter while we were playing.
c) Kathy writes letters when she is alone.
d) Kathy has just written a letter.
e) Kathy will be writing a letter next month.
f) Kathy wrote a letter last week.
4.
a) He has been reading magazines for an hour.
b) He was reading magazines when I saw him.
c) He reads magazines every morning.
d) He is reading magazines now.
f) He hasn't read any magazines yet / He is yet to read any magazines.
5.
a) The children haven't yet done their homework / The children have yet to do their homework.
b) The children have just done their homework.
c) The children do their homework every morning.
d) The children were doing their homework when she came.
- Lumberjack25
