"go ahead"
Example 1:
[noun] [進行する意図]
"I gave them the go ahead."
[私はゴーサインを出した]
[verb][進行する]
The party is going ahead as planned.
[パーティーは予定通り進行しています]
Is your work going ahead?
[仕事は進んでいますか]
Example 2:
[imperative form]
A: Can i ask you something?
B: Well, go ahead and ask me.
A: Can i use your pen?
B: Sure, go ahead.