1.What are you going to do for the weekend ?
( tương lai gần : What + is/ are / am + S + going to +V ? )
2.Peter could skate when he was 13
( knew how to skae = could skate : có thể trượt tuyết )
3. They haven't visited Europe for two years
( hiện tại hoàn thành : S + hasn't / haven't + V3/ed+ for + Khoảng time hay since + mốc time)
4.Humans are more intelligent than robots
( So sanh hơn:S1 + is / are / am + more + adj / adj er + than + S2 )
5. When did you learn English ?
( when did + S + V ?:Khi nào bạn làm vc j đó)