Use able to /unable to/not able to English grammar rules with examples

 Use able to /unable to/not able to English grammar rules with examples

1)can हे शक्यता दर्शविण्यासाठी वापरले जाणारे model auxiliary आहे.

Can ऐवजी am/is/are +able to वापरतात .

Can't ऐवजी am/is/are unable to वापरतात .

Exa:-

1)I can ask a question. 

Ans-I am able to ask a question. 

2)He can't come to school. 

Ans-He is not able to come to school. 

2)could ऐवजी was/were able to वापरतात .

Couldn't ऐवजी was/were unable to वापरतात .Exa:-

1)I could write a letter. 

Ans-He I was able to write a letter. 

2)I could not ask him. 

Ans-I was unable to ask him.