$\text{16.}$ of $\text{→}$ in

$\text{17.}$ start usually $\text{→}$ usually start

$\text{18.}$ good $\text{→}$ well

$\text{19.}$ in $\text{→}$ during

$\text{20.}$ Must $\text{→}$ Can

$\text{21.}$ about $\text{→}$ for

$\text{22.}$ in $\text{→}$ on

$\text{23.}$ in $\text{→}$ about

$\text{24.}$ of $\text{→}$ about

$\text{25.}$ should $\text{→}$ must

$\text{26.}$ from $\text{→}$ along

$\text{27.}$ because $\text{→}$ because of

$\text{28.}$ of $\text{→}$ with

$\text{29.}$ such $\text{→}$ as

$\text{31.}$ in <VN> $\text{→}$ of

$\text{32.}$ what $\text{→}$ how

$\text{33.}$ do $\text{→}$ to do

$\text{34.}$ at $\text{→}$ in

$\text{35.}$ in $\text{→}$ to

$\text{36.}$ go $\text{→}$ goes

$\text{37.}$ at $\text{→}$ on

16, of → in

17,. start usually →usually start

18, good → well

19, in → during

20,Must → Can

21, about → for

22,. in → on

23 ,in → about

24 ,of → about

25, should → must

26, from → along

27, because → because of

28, of → with

29, such → as

30,talk->is talking

31, in  → of

32,what → how

33, do →to do

34,at → in

35, in → to

36, go → goes

HTD nên thêm s,es

37, at → on