Simple Present

I / You / We / They + do/read/like/have/watch
He / She / It + does/reads/likes/has/watches

Meaning

Simple present for things that are true in general.

The earth goes around the sun.

Simple present for things that happen sometimes or all the time

Tim works very hard.

Regular

He / She / It + verb + s
think -> thinks, live -> lives, remember -> remembers

Irregular

He / She / It + verb(-s/-sh/-ch/-x/-o) + es
pass -> passes, wash -> washes, finish -> finishes, watch -> watches, teach -> teaches,
go -> goes, do -> does

He / She / It + verb(-y) + ies
try -> tries, marry -> marries, fly -> flies

verb(-y)로 끝나도 -ay / -ey/ -oy / -uy로 끝나는 애들은 규칙 동사임.
, enjoy -> enjoys, stay -> stays, buy -> buys

He / She / It + verb(-y) + ies

always / never / often / usually / sometimes + simple present

어릴 때 배웠던 조비 뒤 일 앞이 적용되는 사례이다.
조동사 be동사 뒤에, 일반동사 앞에… 조비뒤일앞으로 외웠던 기억이 있다.

Sue always go to work early.
I never eat a cucumber.
I sometimes sleep early.
He usually play a piano.
My mother usually have breakfast.