1. Are you going to to visit Europe this Tet holiday?
plant to = be going to: dự định, lên kế hoạch, sẽ làm gì
2. He is going to organize a meeting this weekend
intend to = be going to: dự định, lên kế hoạch, sẽ làm gì
3. You should drink at least 2 litters of water every day
You ought to drink at least 2 litters of water every day
S + should + V_inf: nên làm gì
S + ought + to V_inf: phải làm gì
4. Would you like to try steak this time?
Do you want + to + V_inf? = Would you like + to + V_inf? : Bạn có muốn ...?
5. What about stopping working and find something to eat?
What about + V_ing?: Còn ... thì sao?