Are these sentences correct? 1. It is not permitted to smoke in the kitchen//2.It is not allowed to smoke in the kitchen
Swan Practical English Usage says It is not permitted to smoke in the kitchen is correct, but it is not possible to say It is not allowed to smoke...
25
The modal verb must has two past tense forms. Name them.
The modal verb must has two past tense forms: had to and must have.
20
What is the difference between must have and had to?
The use depends on whether we want to express obligation or if we want to say how certain we are about the probability of something happening.
20
What is the difference between must and have to?
They can be used interchangeably in the present tense, except- must=speaker has decided that something is necessary, have to=smb imposed decision
20
What is the difference between: needn't have to and didn't have to.
needn't have done something, it means that they did it, but it was not necessary; didn't have to - they did not do it
25
What is the difference between need to and have to?
If smth is a requirement in order to do smth else, then you use 'need to'. If it is smth you are obligated to do regardless of any further goals,use have to
15
What is the difference between must not and do not have to?
Mustn`t= obligation NOT to do smth//Don`t have to= absence of obligation
20
What do we use when something was NOT necessary, so you did NOT do it? Give an example.
Didn`t need to. We did not need to book the flights.
25
When do we use needn`t+have+past participle?
To say somebody did something, but that it was unnecessary. You needn`t have bought the cake.
25
Is this sentence correct? You are not allowed/permitted to smoke e-cigarettes in pubs in the UK.
Correct
25
We use ___________ to show that there is no obligation. You can do something if you want to but it's not compulsory.
don’t have to
20
Is need a modal verb?
Need is a semi-modal verb because in some ways it is like a modal verb and in other ways like a main verb. We use need mostly in the negative form.
25
Is have to a modal verb?
When “to have” is in the form “have to”, it functions like must, showing obligation and is a semi-modal verb.
