Discuss what would happen if the situations were different. There an example (0) at the beginning.
0. Ken doesn’t have enough money. He can’t buy a motorcycle.
If Ken had enough money, he would buy a motorcycle.

1. Jany lives far away. She can’t often come to see Jane.
2. Kristina hopes to find a pay phone. Then she’ll call you tonight.
3. Mary is fond of the Beatles. She listens to their songs all the time.
4. Alexa doesn’t work at her English. She can’t speak it fluently.
5. Adriana ignores John. He is furious about it.
6. Barbara doesn’t have enough money to go to Paris. She is unhappy.
7. Carol’s boss does not let her have her holidays now. She can’t go to the seaside.
8. Jacob and Brenda are close friends. They see each other every day.
9. Michael does not know David Beckham’s phone number. He can’t call him.
10. William is not very clever. He often has problems.

In my country you are supposed to let people exit from the elevator or trains first.It is thought to be polite. It is considered impolite to prevent people to go out. 
You should not cut someone off. It is thought to be impolite. You should wait till they finish what they are saying.You should chew with your mouth closed. It is thought to be polite. And you should not start talking with a mouthful of food.
In my country it is considered polite to treat people nicely even if you don't have to.
Don't talk loudly in public places. It is thought to be impolite.

Skills Time! Lesson Five
Reading
Order the letters and write the words.

1. Fireworks burst above the stadium. (rusbt)
Solution: The correct word is "burst" because it matches the given letters (rusbt) and makes sense in the given context. Fireworks burst above the stadium.

2. The cymbals are like two metal plates. (y cmisab)
Solution: The correct word is "cymbals" because it matches the given letters (y cmisab) and makes sense in the given context. Cymbals are like two metal plates.

3. When the school concert finishes, we pack our instruments. (up capk)
Solution: The correct word is "pack" because it matches the given letters (up capk) and makes sense in the given context. When the school concert finishes, we pack our instruments.

4. The lights shine on the stage when the band is playing. (enhis)
Solution: The correct word is "shine" because it matches the given letters (enhis) and makes sense in the given context. The lights shine on the stage when the band is playing.

5. The people in the orchestra play lots of instruments. (rastorhce)
Solution: The correct word is "orchestra" because it matches the given letters (rastorhce) and makes sense in the given context. The people in the orchestra play lots of instruments.

6. Jim went to a pop concert. It was a treat after passing his exams. (artet)
Solution: The correct word is "treat" because it matches the given letters (artet) and makes sense in the given context. Jim went to a pop concert. It was a treat after passing his exams.

7. After each piece, the audience clapped. (epiec)
Solution: The correct word is "piece" because it matches the given letters (epiec) and makes sense in the given context. After each piece, the audience clapped.

I hope this helps! Let me know if you have any other questions.