$1.$ play
$2$ doesn't write
$3.$ Do you speak
$4.$ don't like
$5.$ Does Ann have
$6.$ works
$7.$ Do Jim and Joe
$→$ Dấu hiệu: every week
$8.$ doesn't ride
$9.$ Does Elisabeth the door
$10.$ do you buy
$⇒$ Ta có công thức Hiện tại đơn như sau:
Thể khẳng định: I,you,we,they + V_inf
He,she,it + V(s,es)
Thể phủ định: I,you,we,they + don't + V_inf
He,she,it + doesn't + V(s,es)
Thể nghi vấn: Do + I,you,we,they + V_inf?
Does + He,she,it + V_inf?