Task 3. Fill in the gaps with the appropriate form of the verbs below        generate,   cost,   replace,   hold,   come,   develop,   exist,   transform. It won’t ….. much money to travel on Hyperloop One.We need to ….. up with ideas for energy-efficient transport.New means of transport will….. the trains and aeroplanes we use today.Hyperloop One wil….. the way we travel.Solar panels are an eco-friendly way to ….. electricity.The company wants to ….. an eco-friendly mode of transport.The inventor plans to….. a public test of his high-speed train.Does the technology ….. to create the first working vac train?​

1. The pupils are writing a dictation - Ученики пишут диктант. 
    The pupils have written a dictation - Ученики написали диктант.
2. My friend is helping me to solve a difficult problem - Мой друг мне решить сложную проблему.
    My friend has helped me to solve a difficult problem - Мой друг мне решить сложную проблему.
3. I am learning a poem - Я учу стихотворение.
    I have learnt a poem - Я выучил стихотворение.
4. She is telling them an interesting story - Она рассказывает им интересную историю
    She has told them an interesting story - Она рассказала им интересную историю.
5. Kate is sweeping the floor - Кэйт ( Катя ) подметает пол.
    Kate has swept the floor - Кэйт ( Катя ) подмела пол.
6. The waiter is putting a bottle of lemonade in front of him. - Официант ставит бутылку лимонада перед ним.
    The waiter has put a bottle of lemonade in front of him. - Официант поставил бутылку лимонада перед ним.
7. I am eating my breakfast - Я ем свой завтрак
    I have eaten my breakfast - Я съел свой завтрак.
8. We are drinking water - Мы пьем воду.
    We have drunk water - Мы выпили воду.
9. He is bringing them some meat and vegetables - Он несет им немного мяса и овощей.
    He has brought them some meat and vegetables - Он принес им немного мяса и овощей.
10. You are putting the dishes on the table. - Вы ставите тарелки на стол.
You have put the dishes on the table. - Вы расставили тарелки на столе.