act 01 ;
transform the sentences below into active or passive
-many cars and vehicles causes a great danger on human health
-our country has been seriously protected
act 02
spot the mistakes and correct it
the president will be presented a public address this evening
the car drived by amine have be damaged
he is inviting by his uncle who was choosing as the president of of the assenmbly
act 03
put the verbs into the right tense
he (to be given ) a nice prize because he (to succeed ) in the last term's exams
the room ( to be painted ) by this product , as it ( to be ) dangerous
your house ( to be ) in danger ; it ( not to be ) well built
good student ( to take ) to egypt by the headmaster of the school , (to visite) there the pyramids