Образец: 1. They must water the flowers every 3 days. They must not water the flowers every 3 days. Must they water the flowers every 3 days? Мы должны поливать цветы каждые три дня.

2. We must put the table napkin on our knees.

3. We must use the fork and knife properly.

Поставьте предложения в отрицательную

2. We must not put the table napkin on our knees.

3. We must  not use the fork and knife properly.

и вопросительную форму.

2. Must we put the table napkin on our knees?

3. Must we use the fork and knife properly.

II. Переведите предложения.

2. Мы должны класть салфетку на колени.

3. Мы должны правильно пользоваться вилкой и ножом.

Поставьте предложения в отрицательную и вопросительную форму.

Образец: 1. She has to get up at seven o'clock. Does she have to get up at seven o'clock. She does not have to get up at seven o'clock. Ей нужно вставать в 7 часов.

2. A brother has to go to the institute in the morning.

3. My friend has to speak English well.

Поставьте предложения в отрицательную

2. My brother has not to go to the institute in the morning.

3. My friend has  not to speak English well.

и вопросительную форму.

2. Has my brother to go to the institute in the morning?

3. Has my friend to speak English well?

II. Переведите предложения.

2. Брат должен утром ехать в институт.

3. Мой друг должен хорошо говорить по-английски.