Enterprise plus UNIT 13

Three people had been pulled out from under the debris.

Three people have been pulled out from under the debris.

Rescue workers have been pulled out three people from the debris.

Three people were pulled out from under the debris by rescue workers.

Three people be pulled out from under the debris by rescue workers.

People are sending tents to shelter them.

People are being sent to shelter tents.

Tents are being sent to shelter people.

Tents are being send to shelter people.

Tents are being sent to shelter tents.

introduced

had been introduced

was introduced

been introduced

were introduced

volcano

flood

earthquake

explosion

gas

steam

mud

force

ash

off

up

on

out

by

dragged

spread

vast

pulled out

poured out

of

up

out

off

on

A city map and a guide are provided by the tourist office.

A city map and a guide are being provided by the tourist office.

A city map and a guide is provided by the tourist office.

A city map and a guide were provided by the tourist office.

A city map and a guide have provided by the tourist office.

were used/is

is used/is

are used/is

will be used/were

are used/are

are used/was

A hundreds of acres of forest will be burnt.

A hundred of acres will be burnt of forest.

Hundreds of acres will be burnt of forest.

Hundreds of acres of forest will be burnt.

A hundreds will be burnt of acres of forest .

Hundreds of acres will be burn of forest.