36. Teacher ­asked me ho­w many students there ­were in my class.

( S + said + to sb + "Mệnh đề tường thuật" 

---> S + asked/ wondered/ wanted to know + WH + S +V…)

37. Although they have little money, they are happy.

( In spite of N/V-ing, main clause.

---> Although S + V, main clause.)
38. Khanh has played computer games since 2002.

( S + started Ving sth + khoảng thời gian/ mốc thời gian

---> S +have/has + PII + since + mốc thời gian

                                        + for + khoảng thời gian )
39. It was thought that Corona viruses originated in WuaHan.

( Active: S1 + V1 that S2 +V2 + (O)...

Passive: It (be) (chia theo V1) + PII (chia theo V1) that S2 + V2 + O...)
40. They were all ears to the president's speech.

( be all ears: nghe 1 cách rất chú tâm =  listened eagerly and attentively: 

chăm chú lắng nghe. )

`36.` The teacher asked me how many students there were in my class.

Giải thích: Câu tường thuật lùi thì: HTĐ `->` QKĐ.

`37.` Although they have very little money, they are happy.

Giải thích: Although + Mệnh đề = In spite of + N/V-ing: Mặc dù

`38.` Khanh has played computer games since 2012.

Giải thích: S started to V/V-ing in [mốc thời gian] = S have/has Vpp since [mốc thời gian]

`39.` It is thought that Coronaviruses originated in Wuhan.

Giải thích: Bị động kép: It is Vpp that S V.

`40.` They were all ears to the president's speech.

Giải thích: be all ears: nghe chú tâm, kĩ lưỡng.

@ `Ly`