Central Modal Auxiliaries

We all ...... ourselves with the new guidelines, David.
1. don't have to familiarise
2. must familiarise
3. mustn't familiarise
4. have to familiarise
My niece's parents ...... long hours at the end of the month as they've got too much work to finish in only eight hours a day.
1. have to work
2. don't have to work
3. mustn't work
4. must work
This ...... as a surprise to you, but you're my twin brother, Henry.
1. must come
2. have to come
3. mustn't come
4. don't have to come
Jason's cleaning ladies ...... a lot of work for the money that awful guy pays them.
1. have to do
2. don't have to do
3. mustn't do
4. must do
Dr Emmerson ...... the dog on the lead all the time. When you look at the poor thing, it doesn't wander off even when you tell it to run.
1. must keep
2. doesn't have to keep
3. mustn't keep
4. has to keep
Kate's boyfriend ...... beautiful songs. Kate says she's never heard anything so beautiful in her life.
1. must compose
2. doesn't have to compose
3. mustn't compose
4. has to compose
The detective ...... his captain's orders. If he refuses to do so, he'll be suspended or sacked even.
1. has to follow
2. doesn't have to follow
3. mustn't follow
4. must follow
The terrorists ...... a mole in our organisation. They're constantly keeping one step ahead of us.
1. must have
2. don't have to have
3. mustn't have
4. have to have
I think we ...... and meet your finace, darling.
1. must go
2. mustn't go
3. don't have to go
4. have to go
The technician ...... a way to implement the new software solution globally.
1. has to find
2. mustn't find
3. doesn't have to find
4. must find
A pilot ...... all the systems before taking off.
1. has to check
2. mustn't check
3. doesn't have to check
4. has to check
Your students ...... to control their emotions if they want to be successful. Do teach them that, Mr Frederickson.
1. have to learn
2. mustn't learn
3. don't have to learn
4. must learn

Central Modal Auxiliaries

Quiz