`-` Câu khẳng định ( thì QKĐ): S+ Ved/ V2

`-` Thì HTHT diễn tả hành động đã xảy ra trong QK, có thể tiếp tục ở HT và TL

`-` Câu phủ định ( thì HTHT): S+ have/ has+ not+ Vpp

`1`. I bought a laptop but I haven't used it.

`2`. I wrote a blog but I haven't uploaded any photos to it.

`3`. We started the game half an hour ago but we haven't finished it.

`4`. My dad has been to London but he hasn't seen Big Ben.

`5`. I have read my English book but I haven't done my English homework.

`6`. They had lunch but they haven't had dinner.

`7`. I downloaded some songs but I haven't listened to them.

1. I bought a laptop but I haven't used it.

2. I wrote a blog but I haven't uploaded any photos to it.

3. We started the game half an hour ago but we haven't finished it.

4. My dad has been to London but he hasn't seen BIg Ben.

5. I have read my English book but I haven't done my English homework.

6. They had lunch but they haven't had dinner.

7. I downloaded some songs but I haven't listened to them.