L think that on the Blue Planet they have

I think they are blue on the blue planet

ответ!

Here are 22 things you need to know about Blue Planet II - complete with behind-the-boat info and what you can expect from the first episode.

to do a crossword 

a crossword is done

is a crosswod done?

a crossword is not done

to read a book

a book is read

is a book read?

is  the book written?  

a book is not read

to recite a poem

a poem is recited

is a poem recited?

если надо поменять время, то принцип тот же

a. spends

b. do you look for something

c. have not

d. does not like, but i love it

e. bought. do you like them?

f. were working, when the second world was started

g. has come, is living, met, was learning