Answer:
Step-by-step explanation:
1. comma and makes it compound.
2. comma but makes that compound as well.
3. Complex It has a subordinate clause that contacted me by phone
4. Simple. Don't be fooled by the and. It makes a double subject.
5. Complex Beginning with when and ending with the comma you have a subordinate clause.
6. Compound. comma but
7. Simple. There's only one verb. To intervene is an infinitive