`2`He hasn't smoked since 2010

`=>` since + mốc thời gian

`=>` S + have/has+ (not) +V3/ed

`3`I started to do exercise routine everyday 10 years ago.

`=>` S + started + V-ing/to V + time + ago.

`4` I wonder when the treatment will start .

`=>` S + wonder + Wh_question + S + V + O ... : Ai đó thắc mắc rằng ai đó làm gì ...

`5`  How about going to the market to buy some fresh vegetables?

`=>`  How about + Ving `=` Let’s + V 

`6` Why don’t we go to the cinema this weekend?

`=>`  Why don’t we `+` V = suggest sb + V: đề xuất làm gì ...

`7` Don’t forget to raise your knees high when you jog on the spot

`=>`  remember nhớ = not forget + to V: 0đừng quên

`8` How long have you received the treatment?

`=> ` How long + S + have/has + PII?