Aref said to us, 'I waited an hour.'
Aref said to us, 'I have been waiting an hour.'
Aref said to us, 'I had to wait an hour.'
Aref told to us, 'I have waited an hour.'
Addressing him as my friend, I told him to go in
Addressing him as my friend, I asked him to go in
Addressing him as my friend, I have said him to go in
Addressing him as my friend, I told him to come in
I must do it
I should do it
I must have done it
I have to do it
His words must be listened to.
His words should be listened to.
His words ought to be listened to.
His words may be listened to.
pronoun
Adjective
Adverb
Preposition
Noun
pronoun
Adjective
Adverb
Proper noun
Common noun
Collective noun
Abstract noun
Foul and fair
Good and evil
Before and after
For or against a thing