1 We have moved to this area for 10 years
-> Hiện tại hoàn thành : S + have/has + PII + .......
2 How long have you seen Mary ?
-> Hiện tại hoàn thành : (How long) + have/has + S + PII + ....... ?
3 My father hasn't smoked for years
-> Hiện tại hoàn thành : S + have/has + PII
4 When did you teach at this school ?
-> How long + have/has + S + PII ........ ?
= When + did + S + V + ......... ?
5 We started to learn English 4 years ago.
-> S + have/has + PII + .........
= S + started/began + to V/Ving + .........
6 Katy has bought her car for four years
-> Hiện tại hoàn thành : S + have/has + PII
7 We have never been to Las Vegas before
-> It's (smb) first time .......
= S + have/has + never + PII .... before
8 Jimmy hasn’t seen his uncle since 2002.
Jimmy last saw his uncle was in 2002
-> S + have/has (not) + PII ......... since + mốc thời gian
9 My aunt has moved to Korea for three months.
-> Hiện tại hoàn thành : S + have/has + PII
10 How long have you met your boyfriend ?
-> How long + have/has + S + PII ........ ?
= When + did + S + V + ......... ?