This_____________ (not happen) if they___________(had) lunch in the canteen
Wouldn't have happened, had had
1.that’s the woman whose/who’s/that bag was stolen
whose
Could you tell me how long ___________(you run) your own business?
you’ve been running
If she ____________(Not be) so interested in office gossip, someone (not steal) ____________ her handbag.
hadn't been - wouldn't have stolen
1.They finally replied to my complaint, which/that/when I’d written months ago.
Which
Do you know how may stores________ (you open) so far?
you've opened
if she ____________(be) wiser, she __________(put) so much cash on her bag.
Had been- wouldn't have put
1.They regularly donate money to charity, that/which/who is very kind of them.
which
What__________ (you do) recently?
have you been doing- have you done
It____________(not be) so bas and md if she __________(have) her key and mobile phone in her pocket.
Wouldn't have been- had had
1.The woman who/that/which I met at the conference knows my boss.
that / who
You look a little tired. ___________(you get) enough sleep lately?
have you been getting
The waitress in the café_____________(not seen) anything suspicious if she had _________(be) busy
Wouldn't have seen- had been
1.Victor, who’s/whose/that son goes to the same school as my boy, is our supplier
Whose
How many awards________(you win)
have you won