There .... (to be) 20 pupils in the classroom. There... (to

1. There are 20 pupils in the classroom. (В классе 20 учеников.) - глагол "to be", 3 личико, множественное число, Present Simple. 2. Was there a black dog in the street yesterday? (Была ли чёрная собака на улице вчера?) - глагол "to be", Past Simple. 3. There will be a lot of my friends at the party next week. (Будет много моих приятелей на вечеринке на последующей неделе.) - глагол "to be", Future Simple. 4. He has already written a letter. (Он теснее написал письмо.) - глагол "to write", Present Perfect.