B. Complete the sentences with the correct form of the Past Perfect Simple or the Past Perfect Continuous of the verbs in brackets.  We were tired because we ………………………………….. (drive) for two hours. Anna ………………………………….. (not stop) studying all day. She didn’t even have one break. ………………………………………….. (the archaeologists / discover) the tomb before they found the treasure? I ………………………………….. (analyse) the document for hours. That’s why I needed a rest.

Cách làm:

1. Đọc kỹ câu hỏi và xác định cần sử dụng thì quá khứ hoàn thành đơn hoặc liên tục.
2. Xác định động từ cần điền vào chỗ trống và chia ở thì quá khứ hoàn thành đơn hoặc liên tục.
3. Điền động từ đã chia vào chỗ trống phù hợp với nghĩa của câu.

Câu trả lời:
1. We were tired because we had driven for two hours.
2. Anna had not stopped studying all day. She didn't even have one break.
3. Had the archaeologists discovered the tomb before they found the treasure?
4. I had been analyzing the document for hours. That's why I needed a rest.

I had been analysing the document for hours. That’s why I needed a rest.

Had the archaeologists discovered the tomb before they found the treasure?

Anna had not stopped studying all day. She didn’t even have one break.

We were tired because we had been driving for two hours.