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va rog frumos ajuta-tima la engleza
Open  the  brachets in the  sentences  below  using the past simple  past progesive and past  perfect 
a)before  the mechanic ( to install ) the new  eguipment ,he  (to examine) it  thoroughly).
b) After  Cornel (to write) the poem  delicated to his  mother , he (to read ) it to his  elder brother 
c) Andy  (to buy )  this book  in the  best  book  shop  of  our town ,
d) When I ( to enter ) the classroom  , the  student  on  duty  (to clean ) the  blackboard.
e)  When Alina  ( to enter )  the clasroom )  , the teacher  ( to start )already the lesson . 
f) While  I (to do ) my homework  , my younger  sister (to draw ) a picture .


Răspuns :

a) before the mechanic instaled the new eguipment,he examined it thoroughly.
b)After Cornel wrote the poem delicated to this mother, he read it to this elder brother.
c)Andy bought this book in the best book shop of our town.
d)When I entered the classroom, the student on duty cleaned the blackboard.
e)When Alina entered the classroom, the teacher started already lesson.
f)While did my homework,my younger sister drew a picture