$2.$ Does he sometimes stay up late?
$3.$ I always do homework with my brother.
$4.$ never come
$5.$ Why does Johnson always get good marks?
$6.$ Do you usually go shopping?
$7.$ She seldom cries.
$8.$ My father never has popcorn.
$==================="$
$1.$ She doesn't sleep late on weekends.
$2.$ We don't believe in ghosts.
$3.$ Do you understand the lesson?
$4.$ They don't work late on Sundays.
$5.$ Does David want some coffee?
$6.$ She has three daughters.
- S + have/ has + ...
$7.$ When does she go to the Chinese class?
$8.$ Why do I have to clean up?
- have/ has + to V
- clean up (v.): dọn sạch.
$==================="$
$1.$ has
$2.$ is
$3.$ is
$4.$ likes
$5.$ never bites
$6.$ barks
$7.$ is
$8.$ doesn't like
$9.$ becomes
$10.$ just sleeps
$11.$ plays
$12.$ are
$13.$ doesn't let
$14.$ often takes
$15.$ Không thấy?
$16.$ is
$==================="$
*Thì hiện tại đơn:
VỚI ĐỘNG TỪ TOBE:
$(+)$ S + am (I) $/$ is (He, She, It, Danh từ số ít) $/$ are (You, We, They, Danh từ số nhiều) + $...$
$(-)$ S + am (I) $/$ is (He, She, It, Danh từ số ít) $/$ are (You, We, They, Danh từ số nhiều) + not + $...$
$(?)$ Am (I) $/$ Is (He, She, It, Danh từ số ít) $/$ Are (You, We, They, Danh từ số nhiều) + $S$ + $?$
VỚI ĐỘNG TỪ THƯỜNG:
$(+)$ S + V (s/es).
+ I, You, We, They, Danh từ số nhiều: giữ nguyên động từ.
+ He, She, It, Danh từ số ít: Thêm "s" hoặc "es" sau động từ.
$(-)$ S + do/ does + not + V (Bare).
$(?)$ Do/ Does + S + V (Bare)?