Present Simple

FORMS

Affirmative

I work

you work

he/she/it works

we work

you work

they work

Negative

I do not work

you do not work

he/she/it does not work

we do not work

you do not work

they do not work

Question

do I work?

do you work?

does he/she/it work?

do we work?

do you work?

do they work?

SPELLING OF THIRD PERSON SINGULAR FORMS

Most verbs:

add -s to infinitive

walk > walks

Verbs ending in consonant + y:

change -y to -i- and add -es

cry > cries

study > studies

play > plays

VERBS ENDING IN -S, -Z, -CH, -SH OR -X:

add -es to infinitive

kiss > kisses

buzz > buzzes

watch > watches

wash > washes

fix > fixes

EXCEPTIONS

have > has

go > goes

do > does

USE

Permanent situations or things that happen regularly, repeatedly or all the time.

Water boils at 100º Celsius.

I go swimming every Saturday.

SWAN, Michael. 1998. Practical English Usage. 2^nd ed. Oxford: Oxford University Press.

What I eat in a day!