Change to the Past tens.

Exercise 4. Change the text to the past tense.

The Mexican “Parrot” (1) ____________ (is) in extinction, it

(2) ____________ (is) a beautiful bird that

(3) _______________ (belong) to the tropical forests

of the American Continent, like those that

(4) ______________ (exist) in the Southeast of Mexico.

The parrot (5) ______________ (is) an animal in extinction that has

(6) _______________ (suffer) an unjust international traffic due to the high

value it (7) _______________ (can) obtain in the black market.


The fundamental characteristics of the bird (8) _______________ (is) its

attractive appearance and its capacity to learn and to imitate a wide variety

of complex sounds; the parrots repeat words that are (9) ______________

(use) frequently by the inhabitants of certain regions of the Mexican country
where these animals are (10) _______________ (keep) as pets.