Употребите правильную форму present simple, present continious, present perfect: 1. we already \ to sign a contract \. 2. when you usually \ to discuss \ terms of delivery? 3. businessmen \ not attend \ this conference now. 4. students just \ to arrive \ at the station. 5. our partners \ not to agree \ yet. используйте правильную степень сравнения прилагательных: 1. the volga is \ short \ than the mississippi. 2. our city is \ beautiful \ than omsk. 3. is the word "newspaper" \ long \ than the word magazine? 4. which building is \ high \ in moscow? 5. this nice - looking girl is the \ good \ student in our group. поставьте следующие предложения в отрицательную и вопросительную форму: 1. they have done something. 2. he gave him some money. 3. peter has something in the box. 4. she was reading something. 5. there are some parks in our city.