1) They have just sent an ambulance to the school. => An ambulance * 2)“Don’t make so much noise, Peter.” said Carol => Carol told Peter * 3)Listen to these foreigners! What language __________ they (speak) __________? * 4) If he doesn’t work harder, he’ll lose his job. => Unless * 5) Mr. Smith (teach) _____________ at this school since he (graduate) _________ in 1980 * 🍀 cho xin công thức nha🍀

`1.` An ambulance has just been sent to the school.

`-` Bị động HTHT: S + have/has + been + Ved/PII + ( by O )

`2.` Carol told Peter not to make so much noise.

`-` Câu tường thuật dạng yêu cầu: S + told/asked O + ( not ) to V

`3.` are they speaking

`-` HTTD (?) Is/Am/Are + S + V-ing?

`->` Hành động đang xảy ra tại thời điểm nói

`4.` Unless he works harder, he'll lose his job.

`-` Câu điều kiện loại `1`: If + S + V(s/es), S + will/can/shall + V

`-` Đảo ngữ: Should + S + V, S + will/can/shall + V

`-` Unless `=` If not

`-` Biến thể: Unless + S + V(s/es), S + will/can/shall + V

`->` Diễn tả hành động có thể xảy ra ở hiện tại hoặc tương lai

`5.` has taught `-` graduated

`-` DHNB:

`+)` since `-` HTHT (+) S + have/has + Ved/PII

`+)` in 1980 `-` QKĐ (+) S + Ved/V2