Thì quá khứ hoàn thành tiếp diễn

Had she been studying English for two years before she moved to Hanoi?

👉 Yes, … ​ (a)   .

Had they been waiting for the bus before it arrived?

👉 Yes, … ​ (a)   .

Had he been working in that company for five years before he changed jobs?

👉 Yes, … ​ (a)   .

Had we been playing football for an hour before it started to rain?

👉 Yes, … ​ (a)   .

Had you been reading that book before the teacher came?

👉 Yes, … ​ (a)   .

Had she been cooking before her guests came?

👉 No, … ​ (a)   .

Had they been living in Da Nang before 2018?

👉 No, … ​ (a)   .

Had he been studying medicine before he switched to law?

👉 No, … ​ (a)   .

Had we been traveling around Europe before the summer ended?

👉 No, … ​ (a)   .

Had you been working on the project before the deadline?

👉 No, … ​ (a)   .