How do you change a verb to positive present/future plain form?
Change it to dictionary form
How do you change a verb to positive past plain form?
た form
How do you change a verb to negative present/future plain form?
ない form
How do you change a verb to negative past plain form?
add なかった
How do you change an い adjective to positive present/future plain form?
Normal form
How do you change an い adjective to positive past plain form?
drop い add かった
How do you change an い adjective to negative present/future plain form?
drop い add くない
How do you change an い adjective to negtaive past plain form?
drop い add くなかった
How do you change a な adjective to positive plain/future plain form?
add だ
How do you change a な adjective to positive past plain form?
add だった
How do you change a な adjective to negative present/future plain form?
add じゃない
How do you change a な adjective to negative past plain form?
add じゃなかった
How do you give a reason using plain form and から?