TAILIEUCHUNG - OXFORD PRACTICE GRAMMAR 20

OXFORD PRACTICE GRAMMAR-20 sau đây là giáo trình lý thuyết tiếng anh và bài tập áp dụng từ cơ bản đến nâng cao , nhằm giúp các bạn có thể tự mình ôn tập và củng cố thêm về nền tảng kiến thức môn Anh văn , tự tin đạt kết quả tốt trong kỳ thi ngoại ngữ | OXFORD PRACTICE GRAMMAR 20 THE PAST PERFECT CONTINUOUS A Introduction David is talking about a situation in the past Ifell and broke my leg . When we look back to something before this past time we use the past perfect simple see Unit 18 or the past perfect continuous. Past perfect simple 1 had taken a bus into town. Past perfect continuous had been swimming in the pool We use the past perfect continuous for an action which happened over a period of time. The swimming went on for some time before David broke his leg. B Form The past perfect continuous is had been an ing-form. had been waiting ages OR I d been waiting ages. I had not been paying attention OR hadn t been paying attention. Was the ground wet Had it been raining C I had been doing or I had done Compare the past perfect continuous and simple. OVER A PERIOD had been doing found the calculator. I d been looking for it for ages. Vicky felt tired because she d been working all day. We are thinking of Vicky s work going on as she got tired. We normally use the continuous with a phrase saying how long. When the company went bankrupt it had been losing money for months. We do not normally use the past perfect continuous for states see Unit 7 . NOT He had been-seeming unwell COMPLETE had done I finally bought a new calculator. I d looked everywhere for the old one. Vicky felt pleased because she d done so much work. We are thinking of Vicky s work as complete. We normally use the simple form with a phrase saying how much many. When the company went bankrupt it had lost over a million pounds. We also use the past perfect simple for states see Unit 7 . The old man had seemed unwell for some time before he died. D Comparison with other continuous forms Compare the present perfect continuous has have been doing and the past perfect continuous. Vicky looks very upset. I think she s been .

TỪ KHÓA LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.