One common use for ‘up’ in phrasal verbs is to indicate
* An upward movement
* An increase
* An improvement
See how that applies to these eight verbs.
If you display something such as a poster, you ‘put it up’ on a wall or a notice-board.
* Have you seen the warning the boss has put up on the notice-board?
* Can you put up a poster in your window?
If somebody is miserable and you want them to be happier, you can tell them to ‘cheer up’.
* You look really unhappy. Cheer up!
* I wrote Pearson a letter to try to cheer him up a bit.
If you are sitting and then you rise from your chair, you ‘stand up’.
* When the President arrives, everybody must stand up.
* Stand up straight when I am speaking to you.
If a party or a seminar is dull, you need to ‘liven it up’.
* You need to liven up your ideas.
* How can we liven up this presentation?
If you want to make something stronger, you can ‘build it up’.
* I have built up a strong team of workers.
* I have been ill and need to build up my strength.
I can’t hear very well these days – I’m old. When you speak to me, you need to speaker, to ‘speak up’.
* Can you speak up? There is a lot of background noise.
* It is a big room. You will have to speak up so that those in the back can hear.
The place where you lived when you were a child is where you ‘grew up’.
* I was born in Scotland but grew up in England.
* Where did you grow up?
If something increases fast, it ‘shoots up’.
* The price of petrol has shot up recently.
* My English scores shot up after I started studying with Pearson.