1. Trains are (comfortable) than coaches but coaches are (cheap) than trains
2. Travelling by plane is (enjoyable) but hiking (useful).
3. The underground is (fast) than trams but motorbikes are (slow) than cars,
4. Water transport is (ancient) form of transport and ecological transport is
(modern) transport

I have been reading this book all this week. Я читал эту книгу всю эту неделю.
He has known him since their childhood. Он знал его с детства.
It has been raining all the morning. Все утро шел дождь .
How long have you been learning English? Как долго ты изучаешь английский?
I've been looking for you for half an hour. Я искал тебя в течение получаса.
She has been sleeping since 5 o'clock. Она спала с 5 часов.
My brother has been watching TV since morning. Мой брат смотрел телевизор с утра.
They have been fishing for five hours. Они были в рыболовство в течение пяти часов.
She has already been doing her homework  for two hours. Она делает свою домашнюю работу уже 2 часа.
They have been running in the yard for three hours. Они работали во дворе 3 часа.
She has been writing a letter since morning. Она писала письмо с утра.

I have been reading this book all this week. Я читал эту книгу всю эту неделю.
He has known him since their childhood. Он знал его с детства.
It has been raining all the morning. Все утро шел дождь .
How long have you been learning English? Как долго ты изучаешь английский?
I've been looking for you for half an hour. Я искал тебя в течение получаса.
She has been sleeping since 5 o'clock. Она спала с 5 часов.
My brother has been watching TV since morning. Мой брат смотрел телевизор с утра.
They have been fishing for five hours. Они были в рыболовство в течение пяти часов.
She has already been doing her homework  for two hours. Она делает свою домашнюю работу уже 2 часа.
They have been running in the yard for three hours. Они работали во дворе 3 часа.
She has been writing a letter since morning. Она писала письмо с утра.