Past Perfect vs Simple Past

I had done my homework before I watched tv.

I had do my homework before I watched tv.

I have done my homework before I watch tv.

I had done my homework, I watched tv.

We had cleaned the house before my mom came back.

We have cleaned the house before my mom comes back.

We had cleaned the house before my mom come back.

We had cleaned the house, my mom came back.

She had driven a car before she owned one.

She has driven a car before she owns one.

She had drove a car before she owned one.

She had driven a car, she owned one.

rode, had met

had ridden, met

rode, met

had ridden, had met

sang, played

had sung, had played

sang, had played

had sung, played

had arrived, started

arrived, started

had arrived, had started

arrived, had started

had watched, had gone

watched, had gone

watched, went

had watched, went

had made, phoned

made, phoned

made, had phoned

had made, had phoned

were, had studied

had been, studied

was, studied

was, had studied

phoned, had left

had phoned, left

phoned, left

had phoned, had left

finished / had already sent

sent / had already finished

had send / finished

ride - met

had ridden - meet

rode - met

had ridden- met

had spent - wanted

spent - wanted

had spend - wanted

spends - wants

Yes

No