Mary did not watered the flowers.
She did not listened to music.
Mary did not washed her hair.
Mary did not played with her little brother.
She did not phoned her granny.
Удачи)
Артикль 'а' ставится перед нарицательными существительными в единственном числе, которые начинаются на согласную букву(если слово начинается на гласную - ставим артикль 'an'), и именно тогда, когда мы говорим о неопределенном предмете/существе, которое ранее не упоминалось.
Would you like to come to us?
When is your birthday?
I would like to get a computer for my birthday.
Why did not he call me? - He just flew to the United States. 6 - Have you ever seen a deer in the woods? - I have not seen, and my father had seen last summer. 7. - Have you heard the latest news? They are interesting? - No, I have not yet heard. 8. Autumn came. I never liked this time of year. 9. He has not yet arrived. I'm afraid that something had happened. He's never been late in my life. 10. Now I realize how much I missed you. Where have you been all this time? 11 - Have you ever had a rest abroad? - No, because I am a student, but I always wanted to see the world.