There is no need for you to talk so loudly
=> You don't need to  talk so loudly

I have never eaten this kind of food before
=> It is the first time I have eaten this kind of food

She feels comfortable to watch TV 
=> She enjoys watching  TV 

It's is useful to get access to the Internet
=> Getting  access to the Internet is useful

It is very convenient to wear jeans at school
Weather jeans  is very convenient  at school