Look at these negative sentences:
Notice that to make a negative sentence in French is slightly more complicated than in English as there are two negative words involved.
Notice that to negate a verb in a simple sentence, you wrap ne… pas around the verb (here suis / ai).
Note: if the verb begins with a vowel, use n' instead of ne.
ATTENTION: c'est becomes ce n'est pas.
See also more advanced lessons Position of negation with two verbs (conjugated + infinitive)
and Using 'ne ... pas' with compound tenses (negation)