English verb conjugation
CAN SNIFFLE

Regular verb: sniffle - sniffled - sniffled

Affirmation

Simple form	V-ing form
I can sniffle you can sniffle he can sniffle we can sniffle you can sniffle they can sniffle	I can be sniffling you can be sniffling he can be sniffling we can be sniffling you can be sniffling they can be sniffling
Perfect	V-ing perfect
I can have sniffled you can have sniffled he can have sniffled we can have sniffled you can have sniffled they can have sniffled	I can have been sniffling you can have been sniffling he can have been sniffling we can have been sniffling you can have been sniffling they can have been sniffling

Negation

Simple form	V-ing form
I can't sniffle you can't sniffle he can't sniffle we can't sniffle you can't sniffle they can't sniffle	I can't be sniffling you can't be sniffling he can't be sniffling we can't be sniffling you can't be sniffling they can't be sniffling
Perfect	V-ing perfect
I can't have sniffled you can't have sniffled he can't have sniffled we can't have sniffled you can't have sniffled they can't have sniffled	I can't have been sniffling you can't have been sniffling he can't have been sniffling we can't have been sniffling you can't have been sniffling they can't have been sniffling

Interrogative form

Simple form	V-ing form
can I sniffle? can you sniffle? can he sniffle? can we sniffle? can you sniffle? can they sniffle?	can I be sniffling? can you be sniffling? can he be sniffling? can we be sniffling? can you be sniffling? can they be sniffling?
Perfect	V-ing perfect
can I have sniffled? can you have sniffled? can he have sniffled? can we have sniffled? can you have sniffled? can they have sniffled?	can I have been sniffling? can you have been sniffling? can he have been sniffling? can we have been sniffling? can you have been sniffling? can they have been sniffling?

Interro-negative form

Simple form	V-ing form
can't I sniffle? can't you sniffle? can't he sniffle? can't we sniffle? can't you sniffle? can't they sniffle?	can't I be sniffling? can't you be sniffling? can't he be sniffling? can't we be sniffling? can't you be sniffling? can't they be sniffling?
Perfect	V-ing perfect
can't I have sniffled? can't you have sniffled? can't he have sniffled? can't we have sniffled? can't you have sniffled? can't they have sniffled?	can't I have been sniffling? can't you have been sniffling? can't he have been sniffling? can't we have been sniffling? can't you have been sniffling? can't they have been sniffling?