Question 1: Cell phones are not allowed on Tokyo subway. (Using a modal verb) Passengers

-Please don't passengers cell phones are not allowed on Tokyo subway

Question 2: My daughter finds YouTube helpful to her English learning. (Using a cleft sentence)

-It good to my daughter finds YouTube helpful to her English learning

Question 3: Kate was disappointed because she failed to get connected with her cousin in Vietnam. (Using Infinitive)

-Kate was disappointed because she failed to get connected with her cousin in Vietnam.

Question 4: Besides studying, hanging out with friends is also helpful to teenagers. Teenagers should

-Besides studying, hanging out with friends is also helpful to teenagers. Teenagers should

1. passengers must not used cell phone on Tokyo subway.

2. it is YouTobe that My daughter finds helpful to her English learning

3. Kate was disappointed to fail to get connected with her cousin inVietnam.

4. Teenagers should hang out with friends beside studying