`1.` Lan is keen on collecting bottles when she has free time.

`-` S + be + keen on + V-ing

`-` HTD : S + V(s/es) + O

`2.` They watched TV late last night because they ate at home.

`-` QKD : S + V-ed/V2 + O

`3.` What do I enjoy doing in my free time`?`

`-` S + enjoys(s) + V-ing ... 

`-` HTD : S + do/does + V-inf `->` Wh - do/does + S + V?

`4.` My father loves reading books and planting trees.

`-` QKD : S + V-ed/V2 + O 

`-` S + love(s) + V-ing ...  

`5.` They’re interested in donating food to poor students.

`-` S + am/is/are + V3/ed...

`-` S + be + interested in + N/ V-ing …

`6.` Nga detests eating chips.

`-` S + detest(s) + V-ing +... 

`7.` Did you see Nga yesterday`?`

`-` S + did + V-inf

`8.` Hoang cooked meals last month while nursing home.

`-` QKD : S + V-ed/V2 + O 

`9.` Collecting coins is my hobby.

`-` HTD : S + am/is/are + N/Adj

`10.` My mother is fond of making springroll at the weekend.

`-` S + be + fond of + V-ing 

`1.` Lan is keen on collecting bottles when she has free time.

`-` keen on + V-ing : thích làm gì

`-` collect + N : sưu tầm cái gì

`2.` They watched TV late last night because they were at home.

`-` DHNB: last night `->` QKĐ : S + Ved/V2

`-` because : bởi vì

`3.` What does he enjoy doing in his free time?

`-` enjoy + V-ing : thích làm gì

`-` Wh - do/does + S + V?

`4.` My father loves reading books and planting trees.

`-` love + V-ing : thích làm gì

`5.` They are interested in donating old clothes to poor children.

`-` interested in + V-ing : thích làm gì

`-` donate sth to sb : tặng, hiến cái gì cho ai

`6.` Nga detests eating chips.

`-` detest + V-ing : ghét làm gì

`7.` Did you see Nga yesterday?

`-` DHNB: yesterday `->` QKĐ : Did + S + V?

`8.` Hoang cooked meals last month in nursing home.

`-` DHNB: last month `->` QKĐ : S + Ved/V2

`9.` Collecting coin is my hobby.

`10.` My mother is fond of making springroll at the weekend.

`-` fond of + V-ing : thích làm gì

`-` at the weekend : vào cuối tuần

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