Unit: 8 Behavior

Past modals would have should have could have:

• Fred made a lot of noise when he came home. You must have heard him.
• The news was awful. You should have said something about it.
• That was a terrible accident! The driver must have hurt himself.
• Pam had a toothache. She should have visited the dentist.
• There was a flying saucer in the sky last night. You must have seen it.
• You should have seen Jen in her wedding dress.
• Sarah failed the exam. She must not have studied enough.
• Should mom have woken you up at 7:00?