Modals in the past form

Present	Past
Can	Could
Will	Would
Shall	Should
May	Might

1. Could + Verb base

- To offer suggestions or possibilities

Example :
Doraemon : Oh no! left my short’s
Nobita : Don’t wori, Dora you could borrow my shorts


- To indicate that the ability existed in the past but doesn’t exist now

Example :
Ruther : Ton, can you climb the aple trees
Tony : Well … I could climb apple tree when I was so young. But I thing I’m to heavy to climb it


- To Express polite requests

Example :
Could I borrow your pencil (please)?
Could you lend me your jacket now?
Could you please close the door
Could you pass the salt


2. Would + Verb base

- For an action that was repeated regularly in the past
Example :
When I was a child, I would visit my grandparents every weekend


- Insert rather into the pattern and use this expressions to express preferences

Example :
Angga : Ehich country would you rather visit?
Maria : I Would rather visit Tara than somelia


- To express polite requests

Example :
Budi : Would you mind cycling with me, Nada?
Nada : No, not at all. It would be nice


3. Should + Verb base


- To give definite advice (advisability)

Example :
Derby : You should paint your door, Romeo. It looks terrible
Romeo : Yes, I know I should


4. Might + Verb base

- To tell possibilities

Exmple :
David : Where is Deddy?
Copperfield : He might be in the studio with Kalina


- To express polite requests
Example :
Tian : Might I borrow your coat?
Chris : I’m afraid not. It has been brought by Danny for week sand I don’t know when he‘ll return it