must fecundate
Verbe régulier : fecundate - fecundated- fecundated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fecundate
you must fecundate
he must fecundate
we must fecundate
you must fecundate
they must fecundate 	I must be fecundating
you must be fecundating
he must be fecundating
we must be fecundating
you must be fecundating
they must be fecundating	I must have fecundated
you must have fecundated
he must have fecundated
we must have fecundated
you must have fecundated
they must have fecundated	I must have been fecundating
you must have been fecundating
he must have been fecundating
we must have been fecundating
you must have been fecundating
they must have been fecundating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not fecundate
you must not fecundate
he must not fecundate
we must not fecundate
you must not fecundate
they must not fecundate 	I must not be fecundating
you must not be fecundating
he must not be fecundating
we must not be fecundating
you must not be fecundating
they must not be fecundating	I must not have fecundated
you must not have fecundated
he must not have fecundated
we must not have fecundated
you must not have fecundated
they must not have fecundated	I must not have been fecundating
you must not have been fecundating
he must not have been fecundating
we must not have been fecundating
you must not have been fecundating
they must not have been fecundating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I fecundate?
must you fecundate?
must he fecundate?
must we fecundate?
must you fecundate?
must they fecundate? 	must I be fecundating?
must you be fecundating?
must he be fecundating?
must we be fecundating?
must you be fecundating?
must they be fecundating? 	must I have fecundated?
must you have fecundated?
must he have fecundated?
must we have fecundated?
must you have fecundated?
must they have fecundated? 	must I have been fecundating?
must you have been fecundating?
must he have been fecundating?
must we have been fecundating?
must you have been fecundating?
must they have been fecundating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not fecundate?
must you not fecundate?
must he not fecundate?
must we not fecundate?
must you not fecundate?
must they not fecundate? 	must I not be fecundating?
must you not be fecundating?
must he not be fecundating?
must we not be fecundating?
must you not be fecundating?
must they not be fecundating? 	must I not have fecundated?
must you not have fecundated?
must he not have fecundated?
must we not have fecundated?
must you not have fecundated?
must they not have fecundated? 	must I not have been fecundating?
must you not have been fecundating?
must he not have been fecundating?
must we not have been fecundating?
must you not have been fecundating?
must they not have been fecundating?