English verb conjugation
CAN SNEEZE

Regular verb: sneeze - sneezed - sneezed

Affirmation

Simple form	V-ing form
I can sneeze you can sneeze she can sneeze we can sneeze you can sneeze they can sneeze	I can be sneezing you can be sneezing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she sneeze? can we sneeze? can you sneeze? can they sneeze?	can I be sneezing? can you be sneezing? can she 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 she 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 she 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 she 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 she 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 she 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 she have been sneezing? can't we have been sneezing? can't you have been sneezing? can't they have been sneezing?