Khi Nao Dung To Verb

I i V i Was Hay Were C u Tr c V C ch D ng C Th Wiki Ti ng Anh

Gi i p Khi N o D ng Do V Does Trong Ti ng Anh

M o T Ti ng Anh a An The Ph n Lo i V C ch D ng

Luy n Thi Ti ng Trung C ch Ph n Bi t V Trong Ti ng Trung

Th Hi n T i Ti p Di n Present Continuous C ng Th c C ch D ng

B n C Bi t Khi N o D ng Have Has H c Ti ng Anh C ng IDT

Khi N o D ng To Khi N o D ng To V V Ving C ch D ng B i T p

Khi N o D ng Was Were H ng D n C ch D ng Was V Were

C ch T nh X c Su t V M t S B i T p X c Xu t Hay Nh t T I LI U R

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