Eng Mix Modals, modal auxiliaries

modals
modal auxiliaries
verb structure
* One-word modals
high-frequency
-can - ability, permission
"She can speak German." "Can I borrow a pencil?"
-could - permission, suggests the future or past
"Could I ask you a question?" "I could/can drive you to the airport tomorrow."
"When you were a kid, you could do a cartwheel."
"Could you drive me right now."
"I couldn't come to school yesterday."
"I can't come to school tomorrow."
"I couldn't can't come to school tomorrow."
"I won't/ will not come to school tomorrow"
-may - possible, polite request
"She may/might come to your party."
"May/Can I make an appointment for 2 o'clock tomorrow?" "I have an appointment."
"Can I have a coffee?"
"May I have a coffee?"
-might - maybe
"
-must - have to, necessity, obligation
You must be careful when you cross the street.

-should - advice
You should go see a doctor.

-will - future

-would - possibility
I would go to your party, but I have to work.
If I were you, I would GIVE ADVICE.
If I were you, I would take English instead of math.
Would you help me, please?
Would you like some coffee?

-shall- not commonly used, low-frequency
Let's take a break, shall we?
very polite invitation "Shall we dance?"

two-word modals
-had better - should
You had better study more.

-have to - must
You have to take of your kids. You have to do your work.
I have to go.

-ought to - should
You ought to call your sister.
You ought to cover your nose when you sneeze.

-used to - habit in the past
Maria used to live in El Salvador.
Michelle used to do/go to/practice yoga, but she stopped.

am used to - comfortable with, not a modal 
She is used to Vancouver now. noun
Sarah is used to getting up early. noun
getting - noun, gerund
I am getting a new dog. verb
I hate getting a cold. noun-gerund
The usage is different.

We were skiing last year in Whistler. verb
We love skiiing in Whistler. noun- gerund


*three-word modals

-be able to - can
He is able to speak English and Farsi.

-be going to- will
I am going to make pizza tonight for my kids.

-be supposed to - should/must
I am supposed to do some laundry this weekend.

-have got to - very strong must
You have got to lock the door when you leave the house.
You have got to make your house childproof when you have a toddler.

childproof locks on your car

Little jugs have big ears. Children are always listening.
Monkey see, monkey do.

I used to live in Libya. I want to get used to living in Canada. I am getting used to living in Canada.



modals
modal + to go

I will go.
I want to drive to Surrey.
want to + to drive 

used to + to drive
He used to drive trucks.