ABSTRACT
Sentences starting with hada/hadi can be negated (‘This is not . . .’) by preceding the sentence constituent you wish to negate (here the noun) by ma-ši.
hada ma-ši weld This <is> not a boy.
hada ma-ši ktab This <is> not a book.
hadi ma-ši bent This <is> not a girl.
hadi ma-ši ŧumubil This <is> not a car.