Objectives & Sequence: This lesson is intended to be used as a review of Grammar 10-2.
In a group, discuss answers to the questions about the following photos using modal verbs of probability in past or present:
![aircraft in a holding pattern](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s1.jpg)
- This pilot was stuck in a holding pattern. How do you think she got down?
- "She might have received an ATC clearance."
- "A controller may have issued a time to depart clearance."
- Why did the the pilot enter the holding pattern?
- "It may have a weather delay."
![plane landing](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s2.jpg)
Why do you think the pilot aborted his landing?
![rocks](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s3.jpg)
Where did these rocks come from? Who put them there? How did they carry them?
![aircraft damaged](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s4.jpg)
What do you think happened to this aircraft?
![doctor and patient](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s5.jpg)
What is wrong with the pilot? Where is she?
![ice cream](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s6.jpg)
Do you think this ice cream contains less than 200 calories? If not, how many calories does it have?
![skydiver](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s7.jpg)
What do you think the man is making?
![injured](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s8.jpg)
What do you think happened to this man?
![push ups](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s9.jpg)
Why does the man have big muscles?
![Learjet](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AVIA/unit10/10-5s10.jpg)
The owner said this aircraft was cheap. What do you think?