Dưới đây là các động từ được chia theo thì:

40. I already **heard** about the accident when he **told** me about it.
41. He **lived** in the country for ten years when he first **came** to London.
42. I **didn't talk** to him because when I **arrived** he already **left**.
43. When we **went** out again, the wind **stopped**.
44. He **thought** he **would win** the lottery but he **did not have** of course.
45. No sooner the bell **rang** than the pupils **went** out to play.
46. Before you **mentioned** his name, I never **heard** of this poet.
47. Our guests **were** still here when he **came** back from school.
48. The same day he **arrived**, I **received** a postcard from him.
49. They **had just closed** the shop when I **got** there.
50. When the policeman **blew** his whistle, the driver **stopped** the car.

Nếu bạn có câu nào cụ thể khác cần trợ giúp, hãy cho tôi biết!