A) Which form of the verb do we use in the main clause?
6) Which form of the verb do we use in the subordinate clause?
c) Can we use will after the words if and when?
a) Can we use the main clause before the subordinate clause?
e) What punctuation do we use when subordinate clause is on the first place?
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The English love to say "My house is my fortress". Everybody would like to live in a house or a flat of their one. I also imagine the flat of my dream.
First of all, l prefer spacy flats. That's why I'd like to have a four-room flat in the centre of a city. I don't like country life very much, and rivers, lakes or seas don't matter for me. It is important for me to have a large living-room, a bedroom and two rooms for children. Besides, there will be a spacious kitchen, a study, two bathrooms and two toilets in my flat.
I hope that one day my dream will come true.

1. We’re trying a new dress code. We must wear formal clothes on Fridays.
2. You mustn't touch that button! The whole production line will stop!
3. I’m not sure, but I think I might have made a mistake.
4. Before we agree, we’ll have to study the contract in more detail.
5. Sorry I can’t stay any longer. I really must/have to go now or I’ll miss my train.
6. If you need the goods urgently, we could speed up the order.
7. Sorry I’m late, but I had to go to the doctor’s.
8. It must have been embarrassing for you to forget his name.
9. I think we must accept their offer. It’s the best we’ll get.
10. Luckily, I didn't have to attend the meeting yesterday, so I managed to finish all my paperwork.