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I will go to the theatre if I go out tonight.
I will be angry if you get back very late.
We'll see each other next month if we don't see each other next month.
If they come, I will be surprised.
We'll be late if we wait here.
We will go to Italy if we go in holiday thus autumn.
We won't have a picnic if the weather doesn't improve.
Peter and Jack will go to the party if they are invited.
I will be tired tomorrow if I don't go to bed early this evening.
We will feel sick, if we eat all these cakes.
Yesterday morning I ate a breakfast. And after that I decided to go to the cinema to see a premier of the famous film and offered my friend to join me. But he suggested to go to the swimming pool instead, because we swam in the pool only last month. I packed my clothes and the clean towel and my backback became heavy. We met at the bus station. He was riding a motorbike. He told me the lattest news and mentioned one scientist. That scientist was very intelligent and really amazing. He finished a huge project. He invented some high-technological device. My friend found that information in the internet.
Ответ: gerund.
The significant thing for a teacher is knowing his job perfectly. - <em>Для учителя важно знать свою работу в совершенстве.</em>
knowing<em> - </em>герундий, часть составного именного сказуемого.<em />
London is an ancient city.
It grew up around the first point where the Roman invaders found the Thames narrow enough to build a bridge. There has been a “London Bridge” in the same area ever since.
They founded a Celtic settlement then known as Londinium and later they had turned it into a large port and important trading centre with a long wall of stone and brick.