may undulate
Verbe régulier : undulate - undulated- undulated
Traduction française : onduler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may undulate
you may undulate
he may undulate
we may undulate
you may undulate
they may undulate 	I may be undulating
you may be undulating
he may be undulating
we may be undulating
you may be undulating
they may be undulating	I may have undulated
you may have undulated
he may have undulated
we may have undulated
you may have undulated
they may have undulated	I may have been undulating
you may have been undulating
he may have been undulating
we may have been undulating
you may have been undulating
they may have been undulating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not undulate
you may not undulate
he may not undulate
we may not undulate
you may not undulate
they may not undulate 	I may not be undulating
you may not be undulating
he may not be undulating
we may not be undulating
you may not be undulating
they may not be undulating	I may not have undulated
you may not have undulated
he may not have undulated
we may not have undulated
you may not have undulated
they may not have undulated	I may not have been undulating
you may not have been undulating
he may not have been undulating
we may not have been undulating
you may not have been undulating
they may not have been undulating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I undulate?
may you undulate?
may he undulate?
may we undulate?
may you undulate?
may they undulate? 	may I be undulating?
may you be undulating?
may he be undulating?
may we be undulating?
may you be undulating?
may they be undulating? 	may I have undulated?
may you have undulated?
may he have undulated?
may we have undulated?
may you have undulated?
may they have undulated? 	may I have been undulating?
may you have been undulating?
may he have been undulating?
may we have been undulating?
may you have been undulating?
may they have been undulating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not undulate?
may you not undulate?
may he not undulate?
may we not undulate?
may you not undulate?
may they not undulate? 	may I not be undulating?
may you not be undulating?
may he not be undulating?
may we not be undulating?
may you not be undulating?
may they not be undulating? 	may I not have undulated?
may you not have undulated?
may he not have undulated?
may we not have undulated?
may you not have undulated?
may they not have undulated? 	may I not have been undulating?
may you not have been undulating?
may he not have been undulating?
may we not have been undulating?
may you not have been undulating?
may they not have been undulating?