Ex 1 . write the correct past simple tense of tobe
1, mom and dad ...........( not be ) at home yesterday. they........ ( be) at the hospital
2, the weather........( be ) nice. it........( not be ) windy and rainy
3, ........... (be) he free all day yesterday?
4, when........(be) you born
5, he ........(not be) at school. he was at home
6, were you busy yesterday? yes, i..........
7, ...........it cold last night? no, it..........
8, where........ they on sunday? they........at the store
9, .......... Nina and Sam strong this morning? no,they........
10, ............. Sam ill last night? yes,..........
Ex 2 . Change these sentences into negative and interrogative form
1, she was tired last night =>................................................
2, i was in London last month => ......................................
3, they were at Nina's house yesterday =>..................................................
4, she was with him yesterday =>..........................................
5, tom was at school last monday =>.........................................
1, mom and dad .....weren't ......( not be ) at home yesterday. they...were..... ( be) at the hospital
2, the weather.....was ...( be ) nice. it...wasn't.....( not be ) windy and rainy
3, .....Was...... (be) he free all day yesterday?
4, when...were .....(be) you born
5, he ....wasn't....(not be) at school. he was at home
6, were you busy yesterday? yes, i....was.....
7, ......was.....it cold last night? no, it....wasn't......
8, where....were.... they on sunday? they....were....at the store
9, .....were..... Nina and Sam strong this morning? no,they...weren't.....
10, ......was....... Sam ill last night? yes,he....was.....
Ex 2 . Change these sentences into negative and interrogative form
1, she was tired last night =>..........she was't tired last night..............
2, i was in London last month => .....i wasn't in London last month......
3, they were at Nina's house yesterday =>............they weren't at Nina's house yesterday ..........
4, she was with him yesterday =>...............she wasn't with him yesterday...........................
5, tom was at school last monday =>..............tom wasn't at school last monday...........................
HỌC TỐT 
Ex 1 . write the correct past simple tense of tobe
1, mom and dad ......weren't.....( not be ) at home yesterday. they....were.... ( be) at the hospital
2, the weather...is.....( be ) nice. it....isn't....( not be ) windy and rainy
3, .....Was.... (be) he free all day yesterday?
4, when....was....(be) you born
5, he ...wasn't.....(not be) at school. he was at home
6, were you busy yesterday? yes, i.....was.....
7, .......was...it cold last night? no, it...wasn't.......
8, where.....are... they on sunday? they....are....at the store
9, ...are....... Nina and Sam strong this morning? no,they.....aren't...
10, ......Did....... Sam ill last night? yes,....she did.....
Ex 2 . Change these sentences into negative and interrogative form
1, she was tired last night =>........She wasn't tired last night.......................................
=> Was she tired last night?
2, i was in London last month => ............I wasn't in London last month..........................
=> Were you in London last month?
3, they were at Nina's house yesterday =>.............They weren't at Nina's house yesterday.....................................
=> Were they at Nina's house last night?
4, she was with him yesterday =>...........She wasn't with him yesterday...............................
=> Was she with him yesterday ?
5, tom was at school last monday =>..............Tom wasn't at school last Monday..........................
=> Was Tom at school last Monday ?
