To ask for my friends attention:
guys, pay attention please
to check if my friends understand
Do you understand?
to give my opinion
i think....
in my opinion....
ask my friends opinion
what do you think of...
what do you think about...
how do you think about...
show my appreciation to my friends
if agree: I'm with you / I agree with you
if disagree : I appreciate your opinion but i think....
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1. to ask for my friends attention : look at me please, attention please, may i have your attention please, hry let see this.
2. to check if my friends understand : do you understand, don't you understand, do you remember, how much you understand
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