Should Could Would

I __________ bought bread but I didn't know we needed it. (past possibility)

• Should have

• Could have

• Would have

We _______ invited so many people to our party! I'm worried that we won't have enough room for everyone. (past negative advice / regret)

• shouldn't have

• Wouldn't have

• Couldn't have

I _______ started saving money years ago! (past advice / regret)

• should have

• could have

• whould have

The weather _________ (be) any worse! (past negative possibility)

• couldn't have been

• wouldn't have be

• shouldn't have being

I _________ (arrive) on time, even if I'd left earlier. There were dreadful traffic jams all the way. (past negative possibility)

• Couldn't have arrived

• Shouldn't have arrived

• Wouldn't have arrived

They (win) the football match, but John hurt his ankle. (past possibility)

• could have won

• should have won

• would have won

Lucy (leave) earlier. She missed her flight. (past advice / regret)

• should have left

• chould have left

• would have left

You were so knowledgeable and intelligent , you _______ studied for the exam.

• Could have

• Should have

• Would have

I wanted you to get into a good college but you didn't get selected. You _______ have studied for that.

• Should

• Could

• Would

If my guest had not come into my home before my exam. I ______ have scored good marks.

• would

• could

• should