Докажите,что если a>b, b>3,2a+b>2b+1 СРОЧНО!!! ПОМОГИТЕ ПОЖАЛУЙСТА!!!

Make negative sentences

1He has got a raincoat.

............a raincoat

2.I have an idea

........an idea

3.i have five lessons ao Thursday

.................five lesson on Thuarsday

4.they have got a garden 

...............a  garden

5 the Smiths had a house there .

...............a house there 

6. we shall have a dictation tomorrow 

...........a  dictation tomorrow

7. she had many toys 

............many toys 

8. he had  a good time 

...........a good time 

9. she has a collection of  stamps 

............a collection of  stamps 

10. she has got a collection of coins

...................a collection of coins

..........