Regrets in the past

• I didn’t study enough for the exam, and now I regret it.
  → I wish I (a)   more for the exam.

Answer explanation

had studied

Sarah forgot her umbrella, and now she’s soaking wet.
→ If only Sarah (a)   her umbrella. (bring)

Answer explanation

had brought

We left the party too early. It was just getting exciting.
→ We (a)   at the party longer. (should, stay)

Answer explanation

should have stayed

You missed the deadline for the application.
→ You (a)   the form yesterday. (ought to, submit)

Tom promised to help me with my project, but he didn’t.
→ Tom (a)   me with my project. (suppose, help)

Answer explanation

was supposed to help

We didn’t buy tickets in advance, so we couldn’t see the show.
→ We (a)   tickets in advance. (should, buy)

Answer explanation

should have bought

Lisa feels bad for eating so much junk food last week.
→ Lisa (a)   so much junk food. (ought not to, eat)

You were expected to deliver the report by Friday, but you didn’t.
→ You (a)   the report by Friday. (suppose, deliver)

Answer explanation

were supposed to deliver

We had the chance to take a direct flight, but we didn’t realize it.
→ We (a)   the direct flight instead of the connecting one. (could, take)

Answer explanation

could have taken

I didn’t learn to play the piano as a child, and I regret it now.
→ I wish I (a)   to play the piano when I was younger. (learn)

Answer explanation

had learnt