Can
Could
May
Might
Should
100
1.walk / she/ can / fast.
1. She can walk fast. 
100
1. Could / He / when/ walk /he /one year old / was
1.He could walk when he was one year old.
100
1. medicine / some /take / You / should
1. You should take some medicine.
200
2. Piano / Bob / can /the /play
2. Bob can play the piano.
200
2. take / the / work / bus / He / could /to
2. He could take the bus to work.
200
2.call / I / may/ you.
2. I may call you.
200
2. call / She / tomorrow / might / you /
2.She might call you tomorrow.
200
2. work / should/ He / hard /
2. He should work hard.
300
3. cook / I / can / tonight / dinner.
3. I can cook dinner tonight.
300
3. may/ again / You / try /
3.You may tray again.
300
3.work / finish/ early / might / I /
3.I might finish work early.
300
3.Should / now / your / homework / do / You /
3. You should do your homework now.
400
4. send / I / letter / this /can / you / for/
4.I can send this letter for you.
400
4. could / trees /climb / I /but /now /old / I'm too.
4. I could climb trees, but now I 'm too old.
400
4. money / may / need / He /
4.He may need money.
400
4. see/ I / her /at school / might /
4.I might see her at school.
400
4. help / in / the / class / should / He /
4. He should help in the class.