Positive Statements:
Subject + Verb (base form) + (s/es for 3rd person singular)
Examples:
- I walk to school.
- She walks to school.
- They work in an office.
Negative Statements:
Subject + do/does + not + Verb (base form)
Examples:
- I do not walk to school.
- She does not walk to school.
- They do not work in an office.
Questions:
Do/Does + Subject + Verb (base form)
Examples:
- Do you walk to school?
- Does she walk to school?
- Do they work in an office?