КРОК 1Оберіть вірний варіант
КРОК 2Додавайте вподобані фрази в Обране
Flown is the past participle of fly, the past participle of flow (= to move as water) is flowed. The principal parts of the two verbs are: fly, flew, flown - flow, flowed, flowed.
Flee, fled, fled is formal but we still use it to mean to run away. We flee from danger. Float, floated, floated means to stay on the surface of water or other liquid: Ships float on the water.
We replace one thing with another, but we substitute one thing for another. The two phrases mean the reverse of each other: You replace gold with paper money. You substitute paper money for gold.
Use know when learning is finished: She knows how to swim. Similarly, avoid using know to mean find out or realise.
We usually use of when you can still recognise the original material. We use from when the original materials are unrecognisable. In most cases either is possible.
To go to bed denotes the act of lying down on a bed in preparation for going to sleep. We can say that a person went to bed at nine o'clock, but that he didn't sleep until eleven o'clock. Then he slept soundly. Go to sleep means to fall asleep. He went to sleep while he was in the cinema.