Father Christmas won’t come unless you _________________ (be) a good little girl.
are
I don't like taking pills, but if they ___________ (help) me, I'll take them.
help
I ________________ (die) of exhaustion if John hadn’t offered to take on some of my work.
would have died
Listen up! You won’t understand this unless you _________________ (pay) attention.
pay
Supposing the police ______________ (stop) us now, what ________________ (we say)?
stopped; would we say
If he __________________ (not eat) that sandwich, he would not have suffered from food poisoning.
hadn’t eaten
Even if he ________________ (beg), I wouldn’t help him.
begged
Go and see a doctor in case you ____________ (have) a serious illness.
have
As long as you _____________________ (do) your best, no one will criticise you.
do
If you ___________ (tell) me your flat was cold, I _______ (offer) you my space heater.
had told me; would have offered
Supposing no one ______________ (kill) President Kennedy in the 60s, ___________________ (things / be) different back then.
had killed; things would have been
If you ______ (excuse) me for a minute, I’ll check on how Jill is going.
will excuse
If I were you, I ____________ (not listen) to his lies.
wouldn’t listen
If you _______ (finish) packing, we can call an Uber.
have finished
If she were rich, she ______________ (not have to) work now.
wouldn’t have to