Present-Past Passive

is delivered

are delivered

are deliver

was delivered

are cleaned

was cleaned

is cleaned

is clean

is prepared

was prepare

was prepared

prepared

is wasted

are wasted

was wasted

waste

is understanded

understand

are understood

is understood

were explained

was explained

were explaining

explained

is built

was build

was built

were built

is_________ done

were________ done

was_________ done

are______ done

was design

was designed

were designed

are designed

made

were made

was make

was made

was read

read

is read

are read

are offer

are offered

is offered

offered

are given

is given

were given

was given

are sent

are send

is sent

sent

he car will be washed every week.

Every week washes the car.

The car is washed every week.

The car was washed every week.

The sound of the violin was heard in the hall. 

The sound of the violin is heard in the hall. 

The sound of the violin heard in the hall. 

The sound of the violin is hear in the hall. 

The letter was found at last among the the books in the library.

The letter is found at last among the the books in the library.

The letter found at last among the the books in the library.

The letter was find at last among the the books in the library.

The pupils are always praise by their teacher when they work hard.

The pupils always praised by their teacher when they work hard.

The pupils were always praised by their teacher when they work hard.

The pupils are always praised by their teacher when they work hard.

The prisoners are ordered to stand up

The prisoners were order to stand up

The prisoners ordered to stand up

The prisoners were ordered to stand up

I was recommended to another doctor.

I were recommended to another doctor.

I was recommend to another doctor.

I am recommended to another doctor.

His friends was invited to dinner. 

His friends were invited to dinner. 

His friends have been invited to dinner. 

His friends were invite to dinner. 

All the advertisements are looked through by us very attentively.

All the advertisements were look through by us very attentively.

All the advertisements was looked through by us very attentively.

All the advertisements were looked through by us very attentively.

All the dry leaves were gathered by the gardener yesterday

All the dry leaves was gathered by the gardener yesterday

All the dry leaves were gather by the gardener yesterday

All the dry leaves gathered by the gardener yesterday

The excursion is organized by the guide well.

The excursion were organized by the guide well.

The excursion was organized by the guide well.

The excursion was organize by the guide well.