1. I was so short that I couldn't play basketball (S + tobe + too + adj + to do s.th = S + tobe + so + adj + that + S + can/could/tobe able to + do s.th)

2. She has learnt in this school for 4 years (S + started/began + to-V/V_ing + khoảng thời gian + ago = S + have/has + Vp.p + for + khoảng thời gian)

3. If he had hurried, he wouldn't have missed the bus (If3: một sự việc không có thật trong QK: If + S + had + Vp.p, S + would (not) have + Vp.p)

4. The window was cleaned (by him) yesterday (bị động QKĐ: was/were + Vp.p; he có thể được lược đi trong câu BĐ)

5. The children enjoy walking in the rain (enjoy doing s.th: thích làm gì)

1. I was so short that I can't basketball.

( Cấu trúc so....that : S + tobe + so + adj + that + S + V ) 

2. She has learnt in this school for 4 years.

( Câu chia ở thì hiện tại hoàn thành : S + have/has + V(PII) + O )

3. If he had hurried, he wouldn't have missed the bus.

( Câu điều kiện loại 3 : If + S +V(quá khứ hoàn thành), S + would/could/... + have + V(PII) + O )

4. The window was cleaned yesterday.

( Câu bị động ở thì quá khứ đơn : S + was/were + V(PII) + place + (by + O) + time ) 

5. The children enjoy walking in the rain.

( enjoy = like, enjoy + V - ing )