English verb conjugation
MAY THROB

Regular verb: throb - throbbed - throbbed

Affirmation

Simple form	V-ing form
I may throb you may throb he may throb we may throb you may throb they may throb	I may be throbbing you may be throbbing he may be throbbing we may be throbbing you may be throbbing they may be throbbing
Perfect	V-ing perfect
I may have throbbed you may have throbbed he may have throbbed we may have throbbed you may have throbbed they may have throbbed	I may have been throbbing you may have been throbbing he may have been throbbing we may have been throbbing you may have been throbbing they may have been throbbing

Negation

Simple form	V-ing form
I may not throb you may not throb he may not throb we may not throb you may not throb they may not throb	I may not be throbbing you may not be throbbing he may not be throbbing we may not be throbbing you may not be throbbing they may not be throbbing
Perfect	V-ing perfect
I may not have throbbed you may not have throbbed he may not have throbbed we may not have throbbed you may not have throbbed they may not have throbbed	I may not have been throbbing you may not have been throbbing he may not have been throbbing we may not have been throbbing you may not have been throbbing they may not have been throbbing

Interrogative form

Simple form	V-ing form
may I throb? may you throb? may he throb? may we throb? may you throb? may they throb?	may I be throbbing? may you be throbbing? may he be throbbing? may we be throbbing? may you be throbbing? may they be throbbing?
Perfect	V-ing perfect
may I have throbbed? may you have throbbed? may he have throbbed? may we have throbbed? may you have throbbed? may they have throbbed?	may I have been throbbing? may you have been throbbing? may he have been throbbing? may we have been throbbing? may you have been throbbing? may they have been throbbing?

Interro-negative form

Simple form	V-ing form
may I not throb? may you not throb? may he not throb? may we not throb? may you not throb? may they not throb?	may I not be throbbing? may you not be throbbing? may he not be throbbing? may we not be throbbing? may you not be throbbing? may they not be throbbing?
Perfect	V-ing perfect
may I not have throbbed? may you not have throbbed? may he not have throbbed? may we not have throbbed? may you not have throbbed? may they not have throbbed?	may I not have been throbbing? may you not have been throbbing? may he not have been throbbing? may we not have been throbbing? may you not have been throbbing? may they not have been throbbing?