`37,` A

`->` When + S + V-s/es + O, S + will/modal verbs + V-bare + O

`38,` B

`->` Since + S + V2/ed, S + have/has + VpII

`39,` B

`->` QKĐ: S + V2/ed + O

`40,` B

`->` As soon as + S + V-s/es, S + will/modal verbs + V-bare

`41,` C

`->` many years ago `->` QKĐ

`->` QKĐ: S + V2/ed + O

`42,` D

`->` in twenty years `->` TLĐ

`->` S + will + V-bare

`43,` C

`->` in two days `->` TLĐ

`->` S + will + V-bare