1. Learn/ Should learn
-> S + suggest that + S + (should) + V
2. Not to stay
-> Mệnh lệnh : S + told/ordered + sb + (not) + to V
1 should learn .
- S + suggest + that + S + should + V-inf + O ... : Ai đó khuyên rằng ai đó nên làm gì ...
2 not to stay .
- Gián tiếp sai khiến : S + told/asked + O + to + V-inf + O ...