Plenty, enough, too much, too many
Plenty – sufficient for the purpose
have/has got + plenty of + noun + infinitive
I've got plenty of money to buy a new PC.
You've got plenty of time to write the report.
He's got plenty of friends to help you.
She's got plenty of time to visit her friends this weekend.
We've got plenty of food to cook a dinner for six people.
They've got plenty of money to buy a new flat.
We DON'T use 'plenty' in negative sentences or questions.
Enough – same as 'plenty'
adjective + enough + infinitive
I'm old enough to drink alcohol.
You're old enough to drive.
He's smart enough to go to university.
She's tall enough to reach the top shelf.
We're happy enough to help you.
They're rich enough to buy a new house.
enough + noun + infinitive
I've got enough money to buy that book I want.
You've got enough time to visit me on Tuesday.
He's got enough stamina to run a marathon.
She got enough sleep to feel fresh in the morning.
We had enough time to see all monuments in the city.
They will have enough time to visit their parents this weekend.
We also use 'enough' in negative sentences and questions:
I haven't got enough time to call you tonight.
Have you got enough time to call me tomorrow morning?
Did you have enough money to buy lunch?
I didn't have enough money to buy the phone I wanted.
Has he got enough stamina to run a marathon?
He isn't tall enough to reach the doorbell.
She isn't old enough to drive.
Is she smart enough to study law?
Are we fast enough to run away?
We aren't old enough to drink beer.
Have they got enough money to go on holiday?
They didn't have enough time to finish the test.
Too much/ too many – more than enough (usually negative meaning)
We use 'too much' with uncountable nouns.
We use 'too many' with countable nouns.
There are too many people on the bus today.
There were too many emails to answer.
There is too much noise in the pub tonight.
There is too much snow on the road.
I have got too much to do this weekend so I can't go out.
You had too many drinks last night.
He had too many car accidents.
She will have too many shoes one day.
We have got too many dogs.
They are too busy to write the report.
We can use 'too much/too many' in negative sentences and questions but it is not very common.