Давай выполним задание! Нам нужно перефразировать предложения, используя конструкцию let's вместо why don't и наоборот.
Why don't we invite Vicky and Michael?
Let's invite Vicky and Michael.
Let's go to the theatre.
Why don't we go to the theatre?
Why don't we go for a walk?
Let's go for a walk.
Let's go and do some sightseeing.
Why don't we go and do some sightseeing?
Let's eat out this evening.
Why don't we eat out this evening?
Why don't we see what's on TV?
Let's see what's on TV.
Why don't we go skiing?
Let's go skiing.
Let's go to Mexico.
Why don't we go to Mexico?
Составим диалог о погоде:
A: Hello! What's the weather like today?
A: Привет! Какая сегодня погода?
B: Hi! It's sunny and warm.
B: Привет! Солнечно и тепло.
A: Great! Let's go for a walk.
A: Отлично! Давай погуляем.
B: Sure, let's do that!
B: Конечно, давай!
Ответ: Выше приведены преобразованные предложения и диалог о погоде.