shall undulate
Regular verb: undulate - undulated- undulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall undulate
you shall undulate
she shall undulate
we shall undulate
you shall undulate
they shall undulate 	I shall be undulating
you shall be undulating
she shall be undulating
we shall be undulating
you shall be undulating
they shall be undulating	I shall have undulated
you shall have undulated
she shall have undulated
we shall have undulated
you shall have undulated
they shall have undulated	I shall have been undulating
you shall have been undulating
she shall have been undulating
we shall have been undulating
you shall have been undulating
they shall have been undulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not undulate
you shall not undulate
she shall not undulate
we shall not undulate
you shall not undulate
they shall not undulate 	I shall not be undulating
you shall not be undulating
she shall not be undulating
we shall not be undulating
you shall not be undulating
they shall not be undulating	I shall not have undulated
you shall not have undulated
she shall not have undulated
we shall not have undulated
you shall not have undulated
they shall not have undulated	I shall not have been undulating
you shall not have been undulating
she shall not have been undulating
we shall not have been undulating
you shall not have been undulating
they shall not have been undulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I undulate?
shall you undulate?
shall she undulate?
shall we undulate?
shall you undulate?
shall they undulate? 	shall I be undulating?
shall you be undulating?
shall she be undulating?
shall we be undulating?
shall you be undulating?
shall they be undulating? 	shall I have undulated?
shall you have undulated?
shall she have undulated?
shall we have undulated?
shall you have undulated?
shall they have undulated? 	shall I have been undulating?
shall you have been undulating?
shall she have been undulating?
shall we have been undulating?
shall you have been undulating?
shall they have been undulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not undulate?
shall you not undulate?
shall she not undulate?
shall we not undulate?
shall you not undulate?
shall they not undulate? 	shall I not be undulating?
shall you not be undulating?
shall she not be undulating?
shall we not be undulating?
shall you not be undulating?
shall they not be undulating? 	shall I not have undulated?
shall you not have undulated?
shall she not have undulated?
shall we not have undulated?
shall you not have undulated?
shall they not have undulated? 	shall I not have been undulating?
shall you not have been undulating?
shall she not have been undulating?
shall we not have been undulating?
shall you not have been undulating?
shall they not have been undulating?