Choose the sentences in which modal verbs express criticism. More than one correct answer is possible.

Tick the correct answers.

• Rick might have watched this episode.
• You shouldn't have let your dog out! It ran away.
• We needn't have arrived because we don't have classes today.
• Fiona must have read this book long ago. She told me about it.
• The teacher could have prepared this task in advance.
• They should have told me they weren't coming!