4.182 offers of help: 'shall' and 'should'

You can also use 'shall' or 'should' when you are offering to do something.

If you are fairly confident that your offer will be accepted, you use 'shall'.

• Shall I shut the door?
• Shall I spell that for you?

If you are uncertain whether your offer will be accepted, you use 'should'.

• Should I give her a ring?