English verb conjugation
CAN SNEEZE

Regular verb: sneeze - sneezed - sneezed

Affirmation

Simple form	V-ing form
I can sneeze you can sneeze he can sneeze we can sneeze you can sneeze they can sneeze	I can be sneezing you can be sneezing he can be sneezing we can be sneezing you can be sneezing they can be sneezing
Perfect	V-ing perfect
I can have sneezed you can have sneezed he can have sneezed we can have sneezed you can have sneezed they can have sneezed	I can have been sneezing you can have been sneezing he can have been sneezing we can have been sneezing you can have been sneezing they can have been sneezing

Negation

Simple form	V-ing form
I can't sneeze you can't sneeze he can't sneeze we can't sneeze you can't sneeze they can't sneeze	I can't be sneezing you can't be sneezing he can't be sneezing we can't be sneezing you can't be sneezing they can't be sneezing
Perfect	V-ing perfect
I can't have sneezed you can't have sneezed he can't have sneezed we can't have sneezed you can't have sneezed they can't have sneezed	I can't have been sneezing you can't have been sneezing he can't have been sneezing we can't have been sneezing you can't have been sneezing they can't have been sneezing

Interrogative form

Simple form	V-ing form
can I sneeze? can you sneeze? can he sneeze? can we sneeze? can you sneeze? can they sneeze?	can I be sneezing? can you be sneezing? can he be sneezing? can we be sneezing? can you be sneezing? can they be sneezing?
Perfect	V-ing perfect
can I have sneezed? can you have sneezed? can he have sneezed? can we have sneezed? can you have sneezed? can they have sneezed?	can I have been sneezing? can you have been sneezing? can he have been sneezing? can we have been sneezing? can you have been sneezing? can they have been sneezing?

Interro-negative form

Simple form	V-ing form
can't I sneeze? can't you sneeze? can't he sneeze? can't we sneeze? can't you sneeze? can't they sneeze?	can't I be sneezing? can't you be sneezing? can't he be sneezing? can't we be sneezing? can't you be sneezing? can't they be sneezing?
Perfect	V-ing perfect
can't I have sneezed? can't you have sneezed? can't he have sneezed? can't we have sneezed? can't you have sneezed? can't they have sneezed?	can't I have been sneezing? can't you have been sneezing? can't he have been sneezing? can't we have been sneezing? can't you have been sneezing? can't they have been sneezing?