English verb conjugation
CAN RUBBERNECK

Regular verb: rubberneck - rubbernecked - rubbernecked

Affirmation

Simple form	V-ing form
I can rubberneck you can rubberneck he can rubberneck we can rubberneck you can rubberneck they can rubberneck	I can be rubbernecking you can be rubbernecking he can be rubbernecking we can be rubbernecking you can be rubbernecking they can be rubbernecking
Perfect	V-ing perfect
I can have rubbernecked you can have rubbernecked he can have rubbernecked we can have rubbernecked you can have rubbernecked they can have rubbernecked	I can have been rubbernecking you can have been rubbernecking he can have been rubbernecking we can have been rubbernecking you can have been rubbernecking they can have been rubbernecking

Negation

Simple form	V-ing form
I can't rubberneck you can't rubberneck he can't rubberneck we can't rubberneck you can't rubberneck they can't rubberneck	I can't be rubbernecking you can't be rubbernecking he can't be rubbernecking we can't be rubbernecking you can't be rubbernecking they can't be rubbernecking
Perfect	V-ing perfect
I can't have rubbernecked you can't have rubbernecked he can't have rubbernecked we can't have rubbernecked you can't have rubbernecked they can't have rubbernecked	I can't have been rubbernecking you can't have been rubbernecking he can't have been rubbernecking we can't have been rubbernecking you can't have been rubbernecking they can't have been rubbernecking

Interrogative form

Simple form	V-ing form
can I rubberneck? can you rubberneck? can he rubberneck? can we rubberneck? can you rubberneck? can they rubberneck?	can I be rubbernecking? can you be rubbernecking? can he be rubbernecking? can we be rubbernecking? can you be rubbernecking? can they be rubbernecking?
Perfect	V-ing perfect
can I have rubbernecked? can you have rubbernecked? can he have rubbernecked? can we have rubbernecked? can you have rubbernecked? can they have rubbernecked?	can I have been rubbernecking? can you have been rubbernecking? can he have been rubbernecking? can we have been rubbernecking? can you have been rubbernecking? can they have been rubbernecking?

Interro-negative form

Simple form	V-ing form
can't I rubberneck? can't you rubberneck? can't he rubberneck? can't we rubberneck? can't you rubberneck? can't they rubberneck?	can't I be rubbernecking? can't you be rubbernecking? can't he be rubbernecking? can't we be rubbernecking? can't you be rubbernecking? can't they be rubbernecking?
Perfect	V-ing perfect
can't I have rubbernecked? can't you have rubbernecked? can't he have rubbernecked? can't we have rubbernecked? can't you have rubbernecked? can't they have rubbernecked?	can't I have been rubbernecking? can't you have been rubbernecking? can't he have been rubbernecking? can't we have been rubbernecking? can't you have been rubbernecking? can't they have been rubbernecking?