PĐ:

She wasn't cooking all morning 

They weren't playing game

KĐ:

I was reading a book 

We were singing at ten last night

NV:

Was she eating breakfast?

What were your parents doing while you were going on holiday?

Kh ẳng định

_ We were just talking about it before you arrived. (Chúng tớ đang nói về chuyện đó ngay trước khi cậu đến.)

_ I was thinking about him last night. ( Đêm qua tôi đã suy nghĩ về anh ấy .)

Phủ định

_ He wasn’t working when his boss came yesterday. (Hôm qua anh ta đang không làm việc khi sếp của anh ta đến)

_ She was not jogging at 9 pm yesterday.  (Lúc 9 giờ tối hôm qua cô ấy đang không chạy bộ.)

Nghi vấn

_ Was your mother going to the market at 7 A.M yesterday? (Lúc 7 giờ sáng hôm qua mẹ em đang đi chợ có phải không?)
_ What were you doing in the meeting yesterday? (Bạn đã làm gì trong buổi họp hôm qua?)