Решение:
Давай разберём каждое предложение и применим правило Present Perfect Continuous!
- We are waiting for the train. We started waiting 20 minutes ago.
Мы ждём поезд. Мы начали ждать 20 минут назад.
We have been waiting for the train for 20 minutes. - I am learning French. I started classes in November.
Я учу французский. Я начал заниматься в ноябре.
I have been learning French since November. - Susan is working in England. She started working there on the 1st of November.
Сьюзан работает в Англии. Она начала работать там 1 ноября.
Susan has been working in England since November 1st. - Our family always spend holidays in Spain. We started going there 10 years ago.
Наша семья всегда проводит отпуск в Испании. Мы начали ездить туда 10 лет назад.
Our family has been spending holidays in Spain for 10 years.
Ответ:
1. We have been waiting for the train for 20 minutes.
2. I have been learning French since November.
3. Susan has been working in England since November 1st.
4. Our family has been spending holidays in Spain for 10 years.