1. He has been an English teacher for 20 years.
(-) …………………………………………………………………………………………
(?) …………………………………………………………………………………………?
2. We are having an English test next Monday.
(-) ………………………………………………………………………………………….
(?) …………………………………………………………………………………………. ?
3. The people were friendly.
(-) ……………………………………………………………………………………………
(?) …………………………………………………………………………………………… ?
3. Liz enjoyed her summer vacation last year.
(-) …………………………………………………………………………………………….
1 he hasn`t been an English teacher for 20 years.
Has he been an English teacher for 20 years.
2 We aren`t having an English test next Monday.
Are we having an English test next Monday ?
3 The people weren`t friendly.
Were the people friendly ?
3 Liz didn`t enjoy her summer vacation last year.
1 . Phủ Định : He hasn’t been an English teacher for 20 years .
1 . Nghi Vấn : Has he been an English teacher for 20 years ?
2 . Phủ Định : We aren’t having an English test next Monday .
2 . Nghi Vấn : Are you having an English test next Monday ?
3 . Phủ Định The people weren’t friendly .
3 . Nghi Vấn : Were the people friendly ?