Complete the sentences with a modal verb from the box below. Sometimes more than one answer is possible

* You must be exhausted after your long trip. Come in and have a drink. (Deduction)
* John can't have taken your car keys. He hasn't even left the house. (Impossibility in the past)
* I won't go out this afternoon because the weather forecast is not very good, and I might / could get wet. (Possibility)
* You don't have to apply for the job yet. You can do it later this week. (Lack of necessity/obligation)
* I must have / could have / might have left my wallet in the car. I can't find it anywhere. (Deduction/Possibility about the past - Note: 'might have' uses 'might' from the box)
* That can't be Jake. It's impossible. He said he was going to Spain. (Certainty that something isn't true)
* You mustn't / can't step into the headmaster's office without permission. (Prohibition)
* Tell your sister she can stay the night here if she wants to. (Permission/Possibility)
* You have already drunken a glass of wine. You had better not drive. Let me. (Strong advice/Warning - Note: 'had better not' is the structure) / Shouldn't (Advice)
* You must / ought to see the Eiffel Tower and the Louvre when you go to Paris. (Strong recommendation - Note: 'ought' requires 'to')
* I don't have to take orders from you. You're not my boss! (Lack of obligation)
* When I was younger, I could run very fast. (Past ability)
* Your cold is getting worse and you have a runny nose. You ought / need to see the doctor. (Advice/Necessity - Note: Both require 'to')
* My husband is preparing dinner. He's not a good cook so you shouldn't / can't expect anything special. (Advice/Logical conclusion)
* Don't leave your window open at night. Someone might / could climb in. (Possibility)
* Brenda can't be over thirty. She graduated a year after me and I'm only 26. (Certainty that something isn't true/Deduction)
* You don't have to come with me. I can manage on my own. (Lack of necessity/obligation - could also be 'needn't come' using 'need')
* She must have / could have / might have got lost. Otherwise she'd be here by now. (Deduction/Possibility about the past - Note: 'might have' uses 'might' from the box)
* You must be more careful. You could have / might have been killed crossing the street without looking. (Past possibility that didn't happen - Note: 'might have' uses 'might' from the box)
* I didn't have / need to buy more groceries. We already had enough. (Lack of necessity in the past - forms 'didn't have to' / 'didn't need to')