Help part 43 + Giải thích * Đề ôn thi *

`-` 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.