English verb conjugation
CAN SPRING

Irregular verb: spring - sprang, sprung - sprung

Affirmation

Simple form	V-ing form
I can spring you can spring he can spring we can spring you can spring they can spring	I can be springing you can be springing he can be springing we can be springing you can be springing they can be springing
Perfect	V-ing perfect
I can have sprung you can have sprung he can have sprung we can have sprung you can have sprung they can have sprung	I can have been springing you can have been springing he can have been springing we can have been springing you can have been springing they can have been springing

Negation

Simple form	V-ing form
I can't spring you can't spring he can't spring we can't spring you can't spring they can't spring	I can't be springing you can't be springing he can't be springing we can't be springing you can't be springing they can't be springing
Perfect	V-ing perfect
I can't have sprung you can't have sprung he can't have sprung we can't have sprung you can't have sprung they can't have sprung	I can't have been springing you can't have been springing he can't have been springing we can't have been springing you can't have been springing they can't have been springing

Interrogative form

Simple form	V-ing form
can I spring? can you spring? can he spring? can we spring? can you spring? can they spring?	can I be springing? can you be springing? can he be springing? can we be springing? can you be springing? can they be springing?
Perfect	V-ing perfect
can I have sprung? can you have sprung? can he have sprung? can we have sprung? can you have sprung? can they have sprung?	can I have been springing? can you have been springing? can he have been springing? can we have been springing? can you have been springing? can they have been springing?

Interro-negative form

Simple form	V-ing form
can't I spring? can't you spring? can't he spring? can't we spring? can't you spring? can't they spring?	can't I be springing? can't you be springing? can't he be springing? can't we be springing? can't you be springing? can't they be springing?
Perfect	V-ing perfect
can't I have sprung? can't you have sprung? can't he have sprung? can't we have sprung? can't you have sprung? can't they have sprung?	can't I have been springing? can't you have been springing? can't he have been springing? can't we have been springing? can't you have been springing? can't they have been springing?