Люди хелп. не могу перевести правильно.
express strong doubt or astonishment about the statements
model: he speaks french well. – can he speak french well? – he can`t speak french well.

1. he knows english well.
2. he is waiting for somebody.
3. he saw the lion move.
4. on friday morning bill came to my office.
5. children like to play here.

express strong doubt.