В present simple с местоимениями he/she/it на конце глагола ставим s:
1 I know – she knows
2 I like – she likes
3 I cry – she cries
4 I play – she plays
5 I walk – she walks
6 I go – she goes
7 I eat – she eats
8 I watch – she watches
9 I continue – she continues
10 I finish – she finishes
She knows
She likes
She cries
She plays
She walks
She goes
She eats
She watches
She continues
She finishes