IV.
$\text{1.}$ He lives by himself.
$\text{2.}$ He does his chores by himself.
$\text{3.}$ You do it by yourself.
$\text{4.}$ She has to do the housework by herself.
$\text{5.}$ She does her homework by herself.
V.
$\text{1.}$ I used to live on a farm.
$\text{→}$ anymore: ko còn nx
$\text{2.}$ I used to watch foorball every Sunday last year.
$\text{3.}$ There used to be a lake behind my parent's house.
$\text{4.}$ I used to stay up late to watch football matches last year.
$\text{5.}$ There used to be some trees in the field.
$\text{6.}$ She used to live with her parents.
$\text{7.}$ I used to play volley every Sunday morning last year.
$\text{8.}$ He used to be a poor man.
* Phân biệt used to + V: đã từng # be/ get used to + V-ing: quen với việc gì