CHUYỂN ĐỔI TỪ THÌ HIỆN TẠI HOÀN THÀNH SANG
THÌ QUÁ KHỨ ĐƠN (VÀ NGƯỢC LẠI)
* Dạng 1:
S + HTHT (phủ định) + for + thời gian
It’s + thời gian ….+ since …+ last + QKĐ (khẳng định)
Ex: I haven’t seen my father for one month.
– It is one month since I last saw my father.
Tom hasn’t had his hair cut for over three months.
– It is three months since Tom last had his hair cut.
* Dạng 2:
S + HTHT (phủ định) + before
It’s + the first time + S + HTHT (khẳng định)
Ex: I haven’t seen that man here before.
– It is the first time I have met that man here.
It is the first time I have read this book.
* Dạng 3:
- S + HTHT (phủ định) + since / for + …..
- S + last + QKĐ (khẳng định) …+ when + mệnh đề
- The last time + S + QKĐ (khẳng định) + was + thời gian
Ex: I haven’t heard him since August.
I haven’t seen him since I left school.
* Dạng 4:
S + HTHT (khẳng định) + for + thời gian
- S + began / started + V-ing + thời gian + ago
Ex: I have worked here for ten years.
It started raining two days ago.
– It has rained for two days.
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0975 28 2009