Unit 21. Will / shall 1.
Unit 21; Part A

• Oh, I've left the door open. I'll go and shut it.
• 'What would you like to drink?' 'I'll have an orange juice, please.'
• 'Did you phone Lucy?' 'Oh no, I forgot. I'll phone her now.'
You cannot use the present simple (I do / I go etc.) in these sentences:
• I'll go and shut the door. (not I go and shut)
We often use I think I'll ... and I don't think I'll ...
• I feel a bit hungry. I think I'll have something to eat.
• I don't think I'll go out tonight. I'm too tired.
In spoken English the negative of will is usually won't (= will not):
• I can see you're busy, so I won't stay long.
Unit 21; Part B

• I'm going on holiday next Saturday. (not I'll go)
• Are you working tomorrow? (not Will you work)
Unit 21; Part C

Offering to do something
• That bag looks heavy. I'll help you with it. (not I help)
Agreeing to do something
• A: Can you give Tim this book?
B: Sure, I'll give it to him when I see him this afternoon.
Promising to do something
• Thanks for lending me the money. I'll pay you back on Friday.
• I won't tell anyone what happened. I promise.

Asking somebody to do something (Will you ... ?)
• Will you please turn the stereo down? I'm trying to concentrate.
You can use won't to say that somebody refuses to do something
• I've tried to give her advice, but she won't listen.
• The car won't start. (= the car 'refuses' to start)
Unit 21; Part D
Shall I ... ? Shall we ... ?Shall is used mostly in the questions shall I ... ? / shall we ... ?
We use shall I ... ? / shall we ... ? to ask somebody's opinion (especially in offers or suggestions):
• Shall I open the window? (= Do you want me to open the window?)
• I've got no money. What shall I do? (= What do you suggest?)
• 'Shall we go?' 'Just a minute. I'm not ready yet.'
• Where shall we go this evening?
Compare shall I ... ? and will you ... ?:
• Shall I shut the door? (= Do you want me to shut it?)
• Will you shut the door? (= I want you to shut it)
Exercises
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