Rewrite the sentences using passive structures they received a patent for the invention of this medicine fifteen years ago. who discovered the penicillin? they are introducing new software now. they are developing a new model of a digital camera now. who invented the sewing machine? when will they use new software?

у глаголов в прошедшем времени окончания ed

my favorite film is "harry potter. i like all parts of this film. i think that it is the best one and all children and adults love harry.

there are many computer drawings and special effects in this film.

"harry potter" is a very interesting fantasy novel about magicians. but we can see friendship and love in it.

i can watch "harry potter" again and again. i watched each of eight films with great interest.

this film teaches us much, i advice all people to watch it.