Participle

Hi,

Talking to myself angrily about what happened, I was interrupted by a friend.

Is this sentence ok? Yes, it is. But more typical of everydayspoken English is
eg While I was talking to myself angrily about what happened, I was interrupted by a friend.

Thank you. What about this?

He read the instructions. He grabbed the life vest.

Having read the ins... he grabbed...

Reading the instructions, he grabbed ....

Both ok?

Hi,
What about this?

He read the instructions. He grabbed the life vest.

Having read the ins... he grabbed... Yes. But again, not casual spoken English.

Reading the instructions, he grabbed .. While he was reading, he grabbed. Different meaning.

Hi there,

If you treat it gently, the fabric will last for years.

(If) treated gently, the fabric....

Is it ok?

How about this?

My aunt, who has split up with his husband, wants to ...

My aunt having split up with ... wants to ...

He joined a dating agency. He wanted to find a girl friemd.

He joined a ... wanting to find a ...

Ok?

How would you join this?

They got homea early. They found the place had been burgled.

These are beginning to look like homework exercises for a class.
Have you considered getting your teacher's advice about these?

CJ

Yes, but schools are closed for a few days now so I can't get his advice.