mrphrasalverb

Today we deal with the last four UP phrasal verbs out of Top 100 List:— TO SPEAK UP
— TO TAKE UP
— TO TURN UP
— TO WAKE UP

UP USES                                                           UP EXAMPLES

1. in an upward direction                                   The smoke rose up
2. in an approaching  direction                           The boy ran upo to us
3. completion                                                      They used the coal up
4. Emphasis                                                        Speak up! Hurry up!

To speak up:
talk louder
You have to speak louder. People in the back can’t hear you.
USE: emphasis