Add it/it's in the correct place(s) in sentences 1-8.
I can't stand when all does is rain for days on end.
I'd appreciate if you could give me a little more notice next time.
No use just standing there. You'd better get on with it.
I find hard to believe that the summer is here already.
Appears that the police have video footage of the incident.
Pointless arguing with her when she's in that kind of state.
I'll leave to the others to decide what time we should meet.
I've always made clear that my family has to take priority over my work.