Karshi branch of tuit named after Muhammad al-Kharazmi practical work

Review Exercise: Can , Could, Be Able To

Download the review exercise for can, could, and be able to here.
When and How Do I Use May and Might in a Sentence?
May and might are used to express a variety of ideas, from prohibitions, expressions of possibility or impossibility, and making polite suggestions.
In many cases, you can use may in the same way as can. What’s the difference? May is often considered more polite.
Permission
If you’re speaking to someone in a formal context, you’ll often use may instead of can to ask for or give permission, like this:

• 
  You may begin the exam now.
  
• 
  May I address you as Doctor P?
  
• 
  No, you may not!
  

You can also use may to make a polite request:

• 
  May I take your order?
  

Note that you could also use can here (Can I take your order?). The only difference is that may is considered more polite.
Possibility
Like may, might can be used to indicate possibility. Both words work in the same way in the examples below:

• 
  We may go to the movies after dinner.
  
• 
  You might want to write this part down.
  
• 
  Ali may not get a dog after all.
  
• 
  It might not rain tonight.
  

In these examples, the events are possible but not certain.
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Suggestions
May / might is also used to make a suggestion when there is no better alternative:

• 
  You may as well try it. What have you got to lose?
  
• 
  We might as well stay home. All the shops are closed now.
  

You can see that we usually use the phrases may as well and might as well here. This just means that you may as well try it as not—the result will probably be the same either way.
And finally, if you want to make a polite suggestion, you can use might. This is normally when you want to offer your opinion, but you don’t want to force someone to do something.

• 
  You might like to try the daily special. It’s delicious!