Contractions of Question words are normally only used when speaking or quoting what was said, for example, a dialogue in a novel.

Informal contractions should only be used when speaking in very casual situations.

Contractions of Auxilary verbs & modals (modal auxiliary verbs) with not

• are not = aren't
• can not = can't
• could not = couldn't
• did not = didn't
• does not = doesn't
• do not = don't
• has not = hasn't
• had not = hadn't
• have not = haven't
• is not = isn't
• must not = mustn't
• should not = shouldn't
• was not = wasn't
• were not = weren't
• will not = won't
• would not = wouldn't

No vs. Not

No and not are both words we use to show negativity. It can be confusing for someone who is learning English to know when to use them.

Not is used to make a verb negative while no is used as an adjective to make a noun negative.

Therefore, No is before the noun while not is after the auxiliary verb.

• I do not want any suffering.
• I want no suffering.
• He doesn't have any time
• He has no time.

Here are some negative adverbs:

never, rarely, seldom, hardly ever, barely ever