1. too / very / enough Russian is very difficult, but I enjoy it. Russian is too difficult, so I now Im learning Spanish. Do you know enough Russian to study at a university in Moscow? Im not smart enough to learn Russian.

2. so / such … that Use so + adjective/adverb: The luggage was so heavy that I couldnt lift it. The class was so interesting that I never missed a lesson. Use so much/many + noun He ate so much chocolate at Halloween that he felt sick.

3. so / such … that Use such a + adjective + single countable noun It was such a heavy bag that I couldnt lift it. It was such an interesting class that I never missed a lesson. Use such + adjective + uncountable/plural noun She sang such wonderful songs that no one left the theatre. He did such exquisite art work that he sold every painting at the exhibition.

4. Use such or so and the indefinite article when necessary. Please dont walk ___ fast. I cant keep up! Ive never seen ___ awful film in all my life! This is the first time weve had ___ long delay at the airport. The terminal was ___ crowded that we couldnt find a trolley. There was ___ snow on the runway that the airport was closed. Our neighbors have got ___noisy dog that we have had to complain twice. The taxi driver drove ___ slowly that we nearly missed our flight. There were ___ a lot of passengers that there wasnt a single empty seat on the plane. (exception)

5. Use such or so and the indefinite article when necessary. Please dont walk so fast. I cant keep up! Ive never seen such an awful film in all my life! This is the first time weve had such a long delay at the airport. The terminal was so crowded that we couldnt find a trolley. There was so much snow on the runway that the airport was closed. Our neighbors have got such a noisy dog that we have had to complain twice. The taxi driver drove so slowly that we nearly missed our flight. There were such a lot of passengers that there wasnt a single empty seat on the plane. (exception)