This worksheet can be use to review modal verbs, specially perfect modals. It includes the key and contains three exercises: in the first one students change the given sentece into the past, while in the second one they have to complete the gaps with a perfect modal verb. In the last exercise students make their own deductions in the past (this exercise can have more than one correct answer, the ones given in the key is just one of the options)

perfect-modal-verbs-grammar-drills-sentence-transformation-rephrasing-_114396.docx

Perfect modal verbs 

perfect-modal-verbs

Let's do English ESL general grammar practice. This worksheet can be use to review modal verbs, specially perfect modals. It includes the key and contains three…