Present Simple:
I, you, we, they - пишем Do, Don't
he, she, it пишем Does Doesn't
Например:
I do not like History
He doesn't like History
Do you play basketball? Yes, I do No, I don't
Does he play basketball? Yes, he does No, he doesn't
Present Continuous:
I am, I'm not I am not, I'm not
You, we, they - are You aren't, we aren't, they aren't
He, she, it - is He is, shei s, it is
Например:
I'm not singing приписывается окончание ing
Are you sitting? No, I am not
I had my hair cut.
Объяснение:
Глагол cut в Past Simple также будет cut