Cấu trúc thì quá khứ tiếp diễn

Khẳng định : S + was/ were + V-ing

Phủ định : S + wasn’t / weren’t + V-ing

Nghi vấn : Was/were + S + V-ing

Cấu trúc thì quá khứ hoàn thành 

Khẳng định : S + had + P2

Phủ định : S + hadn't + P2

Nghi vấn : Had + S + P2

$\text{#LeePhuong}$

- Thì QKTD 

+ S + was/were + V-ing : khẳng định

Ex : We were just talking about it before you arrived.

+ S + was/were + not + V-ing : phủ định

Ex: He wasn’t working when his boss came yesterday.

+ Was / Were + S + V-ing? : nghi vấn

Ex : Was your mother going to the market at 8 A.M yesterday? 

- Thì QKHT

+,  S + had + VpII : khẳng định

Ex :  They had finished their work right before the deadline last week 

+, S + hadn’t + VpII : phủ định

Ex : She hadn’t come home when I got there.

+, Had + S + VpII ? : nghi vấn

Ex: Had the film ended when you arrived at the cinema?