Students have to write five sentences on their own using could have + V3 or should (not) have + V3 to describe the opportunities that the protagonist passed up when people could have used his help. 

A two-minute commercial by the Emirates aimed to encourage viewers to take volunteer opportunities. The video shows the tranformation of a heartless man into a good person. In the beginning of the commercial we see four cases when he failed to help people in need.

Emirates Ad-Talking about Missed Opportunities-Should/Could Have

emirates-ad-talking-about-missed-opportunities-shouldcould-have

Let's do English ESL general grammar practice. Students have to write five sentences on their own using could have + V3 or should (not) have + V3 to describe th…