Completar frases Present simpleVersión en línea Uses of present simple tense por Arlett Yadira Pineda Torres 1 happens person action third adding do tense not regular formed don't not now use doesn't s uses end negative The simple present is a verb with two main . We the simple present tense when an is happening right , or when it regularly ( or unceasingly , which is why it's sometimes called present indefinite ) . Depending on the , the simple present tense is by using the root form or by ? s or ? es to the . How to Form the Simple Present In the simple present , most verbs use the root form , except in the - person singular ( which ends in - ) . For a few verbs , the third - person singular ends with - es instead of - s . Typically , these are verbs whose root form ends in o , ch , sh , th , ss , gh , or z . How to Make the Simple Present Negative The formula for making a simple present verb is / does + + [ root form of verb ] . You can also use the contraction or instead of do not or does not . To make the verb to be negative , the formula is [ to be ] + .