Вообще о животных или о каком то виде?
It usually takes me up to three hours to do my homework (или to get done with my homework). Math takes the longest time. I think it's <span>necessary to plan your day because this way it will be easier to get done with everything you need on time. </span>
Brother's pen, his sister's cat,that cat's kitttens, this teacher's books, his friends pencil, my dog's mat
The teacher often asks me at the lesson. (Active Voice) - I am often asked at the lesson. (Passive Voice)
They buy bread in this shop. (Active Voice) - Bread is bought in this shop. (Passive Voice)
We leave our hats and coats in the hall (прихожая). (Active Voice) - Hats and coats are left in the hall. (Passive Voice)
Present Simple Passive образуется - am/ is/ are + 3 форма глагола.