Презентация, доклад по английскому языку по темеЭкология(8 класс)

of Ecology

« Рurity is a base of Ecology»

use the words in the speech

To study the rules of saving our planet

To repeat Present Perfect Progressive

power station

this … the beginning of the century.
2.John has been washing his car … nine o’clock this morning.
3.Sarah has been waiting for her sister … a long time.
4.Alex has been talking on the phone … I came home.
5.The telephone has been ringing … about a minute.

I (do) the room for three hours already.
I have been doing the room for three hours already.
 
1.Jenny (draw) since morning.
2.Sam and Mary (work) there for fifteen years.
3.Granny (cook) all the morning.
4.The children (read) for two hours.