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чь which you write ch' in English. As in Мочь, which is irregular.

делать / сделать - to do (imp. / perf.)

Я делаю - I do
Ты делаешь - You do
Он делает - He does
Мы делаем - We do
Вы...

No.

If you conjugate perfectives you get the future.
And you can remove the -ть from imperfectives in the same way. Neither imperfectives nor perfectives are more irregular than each other. Both...