1. Excuse me, do you speak English?
2. "Where's Ann?" "I don't know."
3. What's funny? Why are you laughing?
4. What does your sister do? She's a dentist.
5. It is raining. I don't want to go out in the rain.
6. "Where do you come from?" "Canada".
7. How much does it cost to phone Canada?
8. George is good tenis player but he doesn't play very often.
1. Excuse me, do you speak English?
2. "Where's Ann?" "I don't know."
3. What's funny? Why are you laughing?
4. What does your sister do? She's a dentist.
5. It is raining. I don't want to go out in the rain.
6. "Where do you come from?" "Canada".
7. How much does it cost to phone Canada?
8. George is good tenis player but he doesn't play very often.
Подробное объяснение:Do/does, don't/doesn't - вс глаголы. С ними должны быть глаголы-сказуемые.
Do you speak English?
speak - сказуемое; do - вс глагол (для I, you, we, they)
What does your sister do?
do - сказуемое; does - вс глагол (для He, she, it)
*Заметьте - мы не говорим "What does your sister?". Do/does - ТОЛЬКО вс глагол - он не может быть сказуемым.
George is good tenis player but he doesn't play very often.
play - сказуемое; doesn't - вс глагол в отрицательных предложениях. Don't/doesn't переводится как "не" (частица-отрицание) - "I don't do" ("Я не делаю"), "He doesn't play" ("Он не играет").
Также у нас есть предложения с are и is. Они (вместе с am) - вс глаголы для Present Continious Tense.
Образование утвердительных предложений в Present Continious:
I + am + 
You, we, they + are +
He, she, it + is +
Образование отрицательных предложений в Present Continious:
I + am not +
You, we, they + are not +
He, she, it + is not +
Образование вопросительных предложений в Present Continious:
Am + I + ?
Are + you, we, they + ?
Is + he, she, it + ?
* - глагол (verb) с окончанием -ing
