1.They live /the countryside/when /they/be/young.
-> They lived in the countryside when they were young.
-> They didn't live in the countryside when they were young.
-> Did they live in the countryside when they were young ?
2.Ba/play/guitar/when/he/10 years old.
-> Ba played the guitar when he was 10 years old.
-> Ba didn't play the guitar when he was 10 years old.
-> Did ba play the guitar when he was 10 years old ?
3.We /invite/her last sunday.
-> We invited her last Sunday.
-> We didn't invite her last Sunday.
-> Did you invite her last Sunday ?
4.My father/decided/to go to Hue/last summer
-> My father decided to go to Hue last summer.
-> My father didn't decide to go to Hue last summer.
-> Did your father decide to go to Hue last summer ?
5.My teacher /correct/this test /yesterday
-> My teacher corrected this test yesterday.
-> My teacher didn't correct this test yesterday.
-> Did your teacher correct this test yesterday?
6.I/wash/my hair/2 days ago
-> I washed my hair 2 days ago.
-> I didn't wash my hair 2 days ago.
-> Did you wash your hair 2 days ago ?
1. (+) they lived in the countyside when they was young
(_) they didn't live in the countryside when they was young
(?) did they live in the countryside when they was young?
2 giống câu 1
3 thì quá khứ đơn invited
4,5,6giống câu 3
