Conditionals and wishes

He could have patented it if he __________ the idea first.

• had

• had had

• would have

• would have had

I wish I___________ this boring experiment.

• wouldn’t do

• didn’t have to

• didn’t do

• couldn’t do

If only we___________________the future!

• predict

• predicted

• could predict

• were predicting

When liquid nitrogen___________________ –196°C, it boils.

• reach

• will reach

• reached

• reaches

If you need help with the experiment,______________ Albert.

• ask

• would ask

• asked

• would have asked

If Einstein__________ here, he’d be impressed with my invention.

• is

• had been

• were

• has been

Engineers_________________better electric cars if the oil producing countries let them.

• made

• could make

• have made

• would have made

_____________ you give me the book, I will tell Mum.

• Unless

• Supposing

• Otherwise

• On condition that

___________that dangerous chemical and you’ll get a very nasty burn.

• Spill

• If you spill

• If you spilled

• If you will spill

If only Madge________________ a bit harder last year.

• had studied

• studied

• would study

• was studying