It's a lovely morning, isn't it? – Yes, it is. (Прекрасное утро, не так ли? – Да, это так.)
The view is lovely, isn't it? – Yes, it's gorgeous! (Вид прекрасный, не так ли? – Да, он великолепный!)
What a miserable day! – Yes, it's awful, isn't it? (Какой ужасный день! – Да, он отвратительный, не так ли?)
October is awful, isn't it? – Yes, it's cold and rainy. (Октябрь ужасен, не так ли? – Да, холодно и дождливо.)
It's warm today, isn't it? – No, it isn't. (Сегодня тепло, не так ли? – Нет, не тепло.)

