If somebody 'flies into' an emotional state, they do it very suddenly and without warning

· He flew into a panic when he heard that the big boss was coming.

· She flew into a rage when she heard that her project had been cancelled.

If you 'fool someone into' doing something, you trick them into doing it.

· I fooled him into believing that next Monday was a public holiday.

· She fooled me into thinking that John was Italian.

If you 'slip into' a bad state or condition, you gradually start to be that way.

· The economy is slipping into recession.

· He improved for a while but now he's slipping back into his old habits.

If you 'run into' somebody, you meet them by chance.

· I ran into Martin when I was doing some shopping.

· I hope to run into you again one of these days.

If a quantity 'runs into' the thousands, it is more than one thousand.

· The money spent on the project must run into the millions.

· The death toll runs into the hundreds.

If you 'run into difficulties', you begin to experience them.

· The company ran into difficulties in the 90s when consumer tastes changed.

· We'll run into problems if we don't act now.

If you 'settle into' a new job, you begin to feel relaxed and at ease.

· How are you settling into your new job?

· I've had problems settling into my new company.

If you 'fling yourself into' a task, you do it with a lot of energy.

· He's flung himself into his new job. He's already made a lot of changes.

· She flings herself into everything she does. She has an amazing amount of energy.

If you 'sink money into' a project, you invest it.

· Microsoft have sunk millions into developing their range of products.

· We'd need to sink a lot of money into the factory to turn it around.

If you 'sink into' a state, you gradually get worse.

· He's sunk into a depression over the last few months.

· The company has sunk deeper and deeper into debt.

Phrasal Verbs with GO

If food is stored in a hot place for too long, it will 'go off'.

· I think this fish has gone off. It smells terrible.

· If you don't keep it in the fridge, it will soon go off.

As time continues, we say that time 'goes by'.

· One year went by without any news from him.

· Time goes by so slowly.

If you have an experience, you 'go through' the experience.

· I went through a lot of problems with my teenage daughter.

· The hurricane was an awful experience to go through.

If you are allowed to start something you can 'go ahead'.

· The boss said we can go ahead and make the necessary changes.

· We can't go ahead without approval from Head Office.

If you are ill, you may have 'gone down with' a virus.

· I went down with flu and had to take a week off work.

· My son has gone down with mumps.