Which word fits these sentences?
A Persian rug with beautiful patterns lay/laid on the floor.
I think lay for present tense?
The temperature has raised/risen four degrees in the past hour.
I think risen because there is no object?
A Persian rug with beautiful patterns lay/laid on the floor.
I think lay for present tense?
The temperature has raised/risen four degrees in the past hour.
I think risen because there is no object?