GRAMMAR 3

Do/Does

The verd to do can be used as an action or sometimes as an auxiliar verb.

Subject/Verb Agreement Using to do as an Action Verb

Subject	Forms of to do in each Tense				Rest of Sentence
	Present	Past	Perfect Form	Continuous Form
I / You / We / They	do	did	have/had + done	am/are/were + doing	a good job
He / She / It	does	did	has/had + done	is/was + doing	homework

Negative sentences with do not, does not and did not

When creating negative sentences, we usually use shortened forms: don’t, doesn’t and didn’t together with the base form of the verb.

Subject	Auxillery Verb to do Present or Past		Verb in Base Form	Rest of Sentence
I / You / We / They	don’t (do not)	didn’t (did not)	sleep	late
He / She / It	doesn’t (does not)	didn’t (did not)	sit	out in the sun

Yes/No Questions with Do, Does and Did

To create a question that will be answered with a yes or no, start the question with Do, Does or Did, (Doesn’t, Don’t, Didn’t) for a negative question) then add a subject (the person or thing that does the action) followed by the base form of the verb and only then add the rest of the sentence.

Auxiliary Verb ‘To Do’		subject	verb in base form	rest of sentence
Present	Past
Do	Did	I / you / we / they	drink	enough water
Does	Did	he / she / it	eat	meat
Don’t	Didn’t	I / you / we / they	write	to them