1. Because of being inexperienced, she didn't get the job.

2.This work needs to be finished / finishing by Monday.

3.Her mom had to write the sick note for her, because she was ill

4.Because it is windy, we can't go boating

5.After leaving school, he joined the army

6.It was too late for anything to be done

7.Jean cloth was made completely from cotton in the 18th century

Because of + Ving/ N phrase

Need + Ving = Need to be + PP

Because + clause

1. because of being inexperienced, she didn't get the job

2. this word needs to be finished by monday

3. her mom had to write the sicknote for her because she was ill

4. because it is windy, we cant go boating

5. after leaving the school, he joined the army

6. it was too late that nothing could be done

7. jean cloth had made completely in the 18th century