Sure! Here are the completed sentences with no more than 4 words:

3. **Go inside.** You will catch a cold.
4. The robber forced **the bank clerk** to give him all the money.
5. Linda thinks she should go to school. **She wants to** get qualifications for a new profession.
6. My mom is busy today. **I am preparing** the meal for the whole family.
7. David invested a lot of money in the business. **The business went** bankrupt.
8. We have a plan on paying **a visit to** my grandparents this weekend.
9. My mom intends to invite her friends home for dinner, **so she is** cooking so many special foods.
10. My mom is **not allowing me** to go out alone at night.
11. My parents don’t let **me go out** at night.
12. My sister has various **entertainment forms**, but she enjoys music more than movies.
13. My sister prefers **watching movies** over other entertainment forms.
14. My friends always **make an effort** to adopt a green lifestyle.