49.Did a group of foreigners visit the Old Quarter in Ha Noi?
A group of foreigners _______________________________________
50. We didn’t often play these games when we were small. USE to
_________________________________________________
49.Did a group of foreigners visit the Old Quarter in Ha Noi?
A group of foreigners _______________________________________
50. We didn’t often play these games when we were small. USE to
_________________________________________________
49. A group of foreigners visited the Old Quarter in Ha Noi, didn’t they?
– Câu hỏi đuôi: mệnh đề + hỏi đuôi?
50. We didn’t use to play these games when we were small.
(+) “used to” nghĩa là “từng”, chỉ hành động thường xuyên xảy ra trong quá khứ và đã kết thúc ở hiện tại.
(-) “didn’t use to”.
$\Rightarrow$
49. A group of foreigners visited the Old Quarter in Ha Noi, didn’t they?
– Cấu trúc câu hỏi đuôi: S + V + …, trợ từ + S?
50. We didn’t use to play these games when we were small.
– Câu trúc “used to”: S + used to + V(inf).