Modal Perfective

MODAL + PERFECTIVE

Function: It used for the past event

MODAL + HAVE + V3/BEEN

Remember!!
Modal is always followed by V1 / be (simple form/bare infinitive). So "have" never changed be "has" or "had"

1. Could + have + V3 /been

Example: - She could have eaten ice cream. (it means "he didn't eat ice cream")

2. Might + have + V3/been

Example: - Her room was still dirty, he might have forgotten to clean it.

3. Should + have + V3/been

Example: - Charlie should have gone to her vschool this morning.

4. Must + have + V3/been

Example: - The grass is wet. It must have rained last night.

Study these sentences !

1. As the groceries were sent sn hour ago. They should have been here by now.
2. He should have been more tolerant.
3. When we got home, we found the front door open. Somebody must have entered the house while we were away.
4. Dharmawan was absent yesterday. He must have been sick again.
5. The whole kitchen was still dirty; Mary might have forgotten to clean it.

Adapted from: Bank Soal Bahasa Inggris Untuk SMA Kelas X,XI, dan XII (M2S Bandung)