The street is crowded with people.

The street is crowded by people.

The tea has been served by Mary.

The tea has being served by Mary.

with millions of tourists.

by millions of tourists.

have been sent to the candidat.

has been sent to the candidat.

had been taken in London in 2017.

was taken in London in 2017.

can be used as symbol of the UK.

can been used as symbol of the UK.

will being broadcast on channel 24.

will be broadcast on channel 24.

had been learnt by the time we met our new foreign teacher.

have been learnt by the time we met our new foreign teacher.

was being walked when I came to the park.

were being walked when I came to the park.