PAST MODAL
She .................. studied really hard. She passed all her exams with excellent grades.
must have .
John had never been to such a fantastic restaurant
Never had John been to such a fantastic restaurant
Sarah ________ been so happy when she found out she was being promoted.
MUST HAVE
I in no way want to be associated with this project.
in no way do I want to be associated with this project.
The concert was fantastic. You really __________ come.
should have
They had no sooner eaten dinner than the ceiling crashed onto the dining table
No sooner had they eaten dinner than the ceiling crashed onto the dining table
He______ known it was your birthday.Otherwise, I'm sure he would have wished you a happyday.
CAN´T HAVE
I had scarcely finished writing my essay when the examiner announced the end of the exam.
Scarcely had I finished writing my essay when the examiner announced the end of the exam