Sentences using "do" and "does":
"Do" is used for:
* Plural subjects (we, you, they):
* We do our homework every day.
* They do not like to eat vegetables.
* Do you do the dishes after dinner?
* "I" and "you" (informal):
* I do my best to be kind.
* Do you do any sports?
"Does" is used for:
* Singular subjects (he, she, it):
* He does not like to swim.
* She does a great job at work.
* It does not rain very often here.
Examples using both "do" and "does" in the same sentence:
* Do you know what does he mean?
* She does her laundry while we do the dishes.
* Do the children do their chores every day?
* They do not know what does she want.
Negative and Interrogative Sentences:
* Do you do your homework? (Interrogative)
* We do not do our homework. (Negative)
* Does she do the dishes? (Interrogative)
* He does not do his laundry. (Negative)
Remember: "Do" and "does" are used as helping verbs in questions, negatives, and emphasis. They are also used with the infinitive "to" (e.g., "I do want to go").