Which of these sentences is grammatically perfect?
Về câu hỏi này
Câu hỏi thuộc học liệu "Thì quá khứ hoàn thành tiếp diễn – Past Perfect Continuous" trên Học Mỗi Ngày. Bạn có thể xem đáp án, lời giải và các câu liên quan trong cùng đề để ôn tập hiệu quả hơn.
Chi tiết câu hỏi
Which of these sentences is grammatically perfect?
A
He has been working for two hours when I arrived.
B
He had been working for two hours when I arrived.
C
He were been working for two hours when I arrived.
D
He had worked for two hours when I was arriving.
Câu hỏi liên quan
- What is the correct affirmative structure of the Past Perfect Continuous?
- Which of these is the correct negative form of I had been working ?
- Identify the correct question form for They in the Past Perfect Continuous:
- Select the correct spelling of run in the continuous form:
- What is the auxiliary verb used for all subjects in the Past Perfect Continuous?
- Choose the correct spelling of lie in the continuous form:
- Which preposition is used with a period of time (e.g., three hours) in this tense?
- Which phrase is common when describing an action that lasted the entire duration of a past time?