A / There are only two basic forms for the simple
present tense; one ends with -s and the other doesn't. Here are the
rules, using the example of the verb to eat
I
eat (simple form)
You eat (simple form)
He eats (simple form + s)
She eats (simple form + s)
It eats (simple form+ s)
We eat (simple form)
You eat (simple form)
They eat (simple form
IMPORTANT: Only THIRD PERSON SINGULAR subjects (he, she, it) must have a verb with an "s" at the end.
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B/
-S or -
ES?
With most verbs, the third person singular form is created simply by adding -
S. However, with some verbs, you need to add -ES or change the ending a little. Here are the rules:
1/ Verbs ending with "z", "sh" and "ch" "ss" and "o" must take an -
es at the third person singular.
Examples
He pass
es (verb to pass
He wishes (verb to wish)
She watches (verb to watch
She buzz
es (verb to buzz
He go
es (verb to go 2/ Verbs ending with a consonant +y : you must change y to i and add 'es'.
Examples:
It fl
ies (verb to fly
He studies (verb to study)
She carries (verb to carry
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C/ The simple present of the verb 'To Have'
The Simple Present of the verb to have is
slightly irregular, since the bare infinitive is have, whereas the form
of the verb used in the third person singular is has. The Simple Present
of the verb to have is conjugated as follows:
I
have You have
He has
She has
It has
We have
you have
They have
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D/ The simple present of the verb'to do'
I
do You do
He does
She does
It does
We do
They do
