Hijbkjjnbbnnmhiuhnkj

`Đoạn``1`. have lost`/`have been looking `/` have been`/`have lost`/`have learned`/`left`/`have already asked 

`Đoạn``2`.have ever read`/`did you get`/`have been trying `/`gave

`Đoạn``3`: has been delivering`/`has left`/`have been staying`/`forgot

`*`Hiện tại hoàn thành:

KĐ:S + have/ has + V3/ed + (object)

PĐ:S + have/ has + NOT +  V3/ed + (O)

NV:(Wh-)Have/ Has + S + V3/ed + (object)?

`*`Hiện tại hoàn thành tiếp diễn:

KĐ:S + have/ has + been + V-ing 

PĐ:S + haven’t/ hasn’t + been + V-ing

NV:(Wh-)Have/ Has + S + been + V-ing ? 

`*`Quá khứ đơn

KĐ:S + V-ed/ V2 (+O)

      S+was/were+....

PĐ:S + did not + V-inf (+O)

      S+was/were+not+....

NV:(Wh-)Did + S + V-inf

      Was/Were + S + … ?

`+`I/He/She/It/N số ít+ Was 

`+`We/You/They/N số nhiều+ Were