do和does 的区别和用法：
- do 用于第一人称、第二人称、第三人称的复数(I/you/we/they)。
- does 用于第三人称单数(he/she/it)
do和does可作为实义动词或助动词
作为实义动词，都是“做”的意思。
作为助动词，没有意义，构成疑问句。
例句
打扫橱柜
Dusts the cupboard
她早上经常做什么?
What does she often do in the morning?
她经常在早上打扫碗柜。
She often dusts the cupboard in the morning.
整理床铺
Makes the bed
她早上总是做什么?
What does she always do in the morning?
她总是在早上整理床铺。
She always makes the bad the morning.
- always位置永远在动词前；
- 主语She判断makes是用原型还是第三人称单数；
刮
shaves
他早上总是做什么?
What does he always do in the morning?
他总是在早上刮胡子。
He always shaves in the morning.
听音响
listen to the stereo
他们晚上有时做什么?
What do they sometimes do in the evening?
他们有时在晚上听音响。
They sometimes listen to the stereo in the evening.
擦黑板
cleans the blackboard
他每天都做什么?
What does he always do every day?
他总是每天擦黑板。
He always cleans the blackboard every day.
上床睡觉
go to bed
他们晚上都做什么?
What do they always do at night?
他们总是晚上睡觉。
They always go to bed at night.
洗碗
washes the dishes
她每天通常做什么?
What does she usually do every day?
她通常每天洗碗。
She usually washes the dishes every day.
打字
type letters
他们通常在下午做什么?
What do they usually do in the afternoon?
他们通常在下午打字。
They usually type letters in the afternoon.
喝牛奶
drinks milk
猫有时在晚上做什么?
What does the cat sometimes do in the evening？
它通常每天都喝牛奶。
It usually drinks milk every day.
看电视
watch television
他们晚上有时做什么?
What do they sometimes do in the evening?
他们有时晚上看电视。
They sometimes watch television in the evening.
吃午饭
eats her lunch
她中午总是做什么?
What does she always do at noon?
她总是在中午吃午饭。
She always eats her lunch at noon.
读报纸
reads his newspaper
他晚上经常做什么?
What does he often do in the evening?
他经常在晚上看报纸。
He often reads newspaper in the evening.
总结
often + v.
usually + v.
always + v.