36. She invited him to the party last night. He ___________________________________________________ 37. Stop talking, or you cant understand the lesson. If you ________________________________________________ 38. It is a long time since I last saw my aunt. I havent ____________________________________________ 39. Should I give this to my brother now? He wondered. He wondered __________________________________________ 40. Scientists have tried very hard to find a cure for this disease. Enormous ____________________________________________

36. He was invited to the party last night.

S + was/were+ V3/ed: bị động - QKĐ

37. If you don't stop talking, you can't understand the lesson.

If 1 : if + HTD, S + will/can/shall .. + V1 

38. I haven't seen my aunt for a long time.

It's / has been + time + since + S + (last) +V2-ed 

= S + has/have + not + V3/ed + for/since + time 

39. He wondered whether to give that to his brother then.

S + wondered + whether + to V

this --> that 

now --> then 

40. Enormous efforts have been made by scientists to find a cure for this disease. 

S + has/have + been  +V3/ed: bị động - HTHT

to + V1: để làm gì 

`color{orange}{~MiaMB~}`