Нужно ли писать do/does в предложениях:I ... like water, but l like lemonade. My mum ... like jelly.

I don't like water, but l like lemonade.

My mum doesn't like jelly.

Do / does is the auxiliary verb of Present Indefinite. - es is the suffix of Present Indefinite which we add to verb in the third person singular. We use do / does to form negative and interrogative.

Do is used for all the persons singular and plural except for the third person singular. Does is used for the third person singular.

Negative - do / does + not + verb.

Interrogative - Do / does + subject + verb.

Does my mum like jelly?

Do I like water?