1. Cause and effect (so, such)

2. … So…that… ; …such … that…
I Examples:
Terry ran so fast that he broke the previous speed record.
Judy worked so diligent that she received an increase in salary.
The soup tastes so good that everyone will ask for more.
The little boy looks so unhappy that we all feel sorry for him.
The student had behaved so badly that he has dismissed from the class.
subject + verb + so adjective/adverb + that + subject + verb

3. II Examples:
The Smiths had so many children that they formed their own baseball team.
I had so few job offers that it wasn’t difficult to select one.
subject + verb + so + many/few + plural count noun + that + subject + verb

4. III Examples:
He has invested so much money in the project that he cannot abandon it now.
The grass received so little water that it turned brown in the heat.
subject + verb + so + much/little + non count noun + that + subject + verb

5. IV Examples:
It was such a hot day that we decided to stay indoors. (= It was so hot a day that we decided to stay indoors).
It was such an interesting book that he couldn’t put it down. (= It was so interesting a book that he couldn’t put it down).

6. subject + verb + such + a + adjective + singular count noun + that + subject + verb OR subject + verb + so adjective + a + singular count noun + that + subject + verb