There are a couple of restaurants in Tokyo that I enjoy dining in. (Is 'of' necessary?)

There are a lot of people.

I only know of 'lot' and 'couple'. Does anyone have a list of commonly used non-collective nouns that describe the amount of something?
Hi,

There are a couple of restaurants in Tokyo that I enjoy dining in. (Is 'of' necessary?)

There are a lot of people.

Yes, you need 'of'.

Clive
Thanks.

If so,

a couple hours

is grammatically wrong?
Students: Are you brave enough to let our tutors analyse your pronunciation?
Hi,

Yes, although it is said by some people in casual and informal English.

Clive

If there were any activities.