O’zbekiston respublikasi ichki ishlar vazirligi akademiya m. A. Rustamov ingliz tili darslik

was / were able to: 
•
He didn't want to buy a new suit but at last we were able to 
persuade him. 
•
She wasn't able to pass the exam. 
might = may:
•
He may be busy now. Or He might be busy now. 
•
Jack may be in his office.
•
He might be having lunch. 
may not = might not (mightn't): 
•
Ann might not know about it. (Perhaps she doesn’t know.) 
•
Jack might not be ready for the exam. (Perhaps he is not ready.) 
Use might have done in the past: 
•
Why didn't she answer the phone?
She might have gone shopping. 
 
may have (done): 
•
I can't find my key anywhere.
• 
You may have lost it while you walked with your dog. 
 
needn't (do) = it’s not necessary to do something: 
•
You've got plenty of time. You needn't hurry.
•
I can hear you quite clearly. You needn't shout.
needn't = don't / doesn't need to: 
•
You've got plenty of time. You don't need to hurry. 
Always say ‘don't need to hurry’ (not “needn't hurry”). 
needn't have (done) 
•
Tom needn't have hurried (because the train has not arrived yet; 
it’s being late). 

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•
Ann bought some eggs but when she got home she found that she 
already had plenty of eggs. So she needn't have bought any 
eggs. 
•
Thank you for doing the washing-up but you needn't have done 
it really. I was going to do it later. 
Didn't need to (didn't have to)
•
I didn't need to go, so I didn't go. 
•
I didn't need to go but I decided to go anyway.