Grammar - present simple

study ex 1 ex 2 ex 3 ex 4 ex 5 ex 6 ex 7 ex 8
 
1. Conjugation
Affirmative Negative Interrogative
I work
You work
He works
She works
It works
We work
You work
They work
I do not work
You do not work
He does not work
She does not work
It does not work
You do not work
We do not work
They do not work
Do I work ?
Do you work ?
Does he work ?
Does she work ?
Does it work ?
Do we work ?
Do you work ?
Do they work ?

Contracted forms: do not = don't / does not = doesn't

 
2. Spelling of 3rd person singular (he, she, it)
General rule: infinitive without 'to' + S
to work ==> works
to play ==> plays
Verbs ending in O, SS, X, CH, SH : infinitive without 'to' + ES
to go ==> goes
to kiss ==> kisses
Verbs ending in Y, preceded by a consonant: Y changes into IES
to cry ==> cries
to fly ==> flies