Нужен перевод, . there's no way that the root of all this problems would be able to say anything.

Нет никакого что корень всей этой проблемы будет в состоя

Нет никакого возможности), что зная корень этой проблемы , мы будет в состоянии сказать что-либо.

1)
1. They can meet you in the street.
They can't meet you in the street
Can they  meet you in the street?
2. He must wash the walls well.
He mustn't wash the walls well.
Must he  wash the walls well?
3. He may see this film.
 He may not see this film.
May he  see this film?

2)
1. There is an apple on the plate.
2. There are bananas in thwe box.
3. There is some butter on the plate.

3) 
 1. We  travelled last summer
2. Tomorrow we will go to the cinema
3. We are writing this text now
4. I  cooked yesterday evening
5. Students will work with this task tomorrow evening
6. They had read this book before last lesson
7. Our students had finished this task before bell rang.

1. Каждый год люди посещают Мемориал Линкольна
2. Они посещают Мемориал Линкольна
3. Мы встретили наших друзей, когда они посещали Мемориал Линкольна.
Отрицательная форма
1. Many people don't visit the Lincoln Memorial every year. 
2. They aren't visiting the Lincoln Memorial. 
3. We don't met our friends when they were visiting the Lincoln Memorial.
Вопросительное предложение
1. Do many people visit the Lincoln Memorial every year? 
2. Are they visiting the Lincoln Memorial.?
3. Do we met our friends when they were visiting the Lincoln Memorial?