1. We can buy tickets online

S+can+ V

2. She is too short to reach the top of the wardrobe

tobe+ too adj+ to V: quá để làm gì

3. Peter and Mark play soccer excellently 

S+V+ adv

4. Tome asked Jane to help him with his pronunciation 

S+ askedsb to V: yêu cầu ai làm gì

5. She speaks English well 

S+V+ adv

6. Climbing high mountains alone in the winter isn't safe 

Ving làm chủ ngữ=> v chia số ít

7. Tom has learnt English since 1990

S+ have/has+ P2+ since mốc tgian

8. He hasn't met my sister since last summer

S+ have/has+not P2+ since mốc tgian

= S+ last+ Ved/cột 2

9. Hue is smaller than Ho Chi Minh city

Ss hơn adj ngắn: S+ tobe+ adj_er than

10. When did you study medicine?

How long have/has+ S+ P2?

=> When+ did+ S+ V?