9.1 shop shops shopping shopped
study studies studying studied
watch watches watching watched
cook cooks cooking cooked
drive drives driving drove
cut cuts cutting cut
write writes writing wrote
swim swims swimming swam
go goes going went
have has having had
sing sings singing sang
lie lies lying lay
9.2 1.Sue always gets up early.
2.I play basketball on Monday afternoon.
3.My mother usually works hard.
4.Jenny buys nice clothes every month.
5.We sometimes have dinner at 7：30.
6.Tom watches television once a week.
7.Children usually like chocolate.
8.Julia never drinks soft drinks.
9.3 2.He's reading a book.
3.He isn't lying on the floor.
4.He isn't writing a letter.
5.He's wearing a T-shirt.
6.He isn't crying.
7.He's sitting on a chair.
8.He's smiling.
9.4 2.are going to wear 3.am going to walk 4.is going to stay 5.am going to eat
6.are going to give 7.are going to see 8.is going to lie down
9.5 2.played basketball 3.ate an apple 4.cleaned her bedroom 5.had a big dinner 6.read the newspapers on the subway 7.lost my keys 8.bought some meat at the butcher's 9.took a shower 10.came to see us
9.6 2.playing，She plays，She played，She is playing，She is going to play
3.riding，He rides，He rode，He is riding，He is going to ride
4.swimming，He swims，He swam，He is swimming，He is going to swim
5.singing，They sing，They sang，They are singing，They are going to sing
6.playing football，He plays football，He played football，He is playing football，He is going to play football
9.7 1.saw，came 2.called，were，was 3.studies，is reading 4.is sleeping 5.are going to have/ will have 6.drink，drank 7.are doing 8.went，are going to visit 9.is singing，sings 10.was，fixed，bought，wrote