you meet a new friend
how do you do ? 
or:
pleased to meet you
nice to meet you
  2-                                    
you give something to someone 
here you are >>تفضل
  3-                                              
some one thanks you for a favour
It is my duty , dear 
  4-                  
                                                    your friend apologized for mistake he made
 it is not a problem
it does n`t matter
not at all
  -                                                                you want to know you friend s opinion of a film 
what do you think about this film ?
  -                                                                you suggest vesting to the school library 
what about visiting the school library? 
  -                                                                you introduce your friend tamer to your uncle
May I introduce my friend tamer
   -                                                                
your friend asks your opinion of the film you didn’t like
I think it was ( is ) boring 
It has no meaning
I did n`t like it .