I can sparkle you can sparkle she can sparkle we can sparkle you can sparkle they can sparkle
V-ing form
I can be sparkling you can be sparkling she can be sparkling we can be sparkling you can be sparkling they can be sparkling
Perfect
I can have sparkled you can have sparkled she can have sparkled we can have sparkled you can have sparkled they can have sparkled
V-ing perfect
I can have been sparkling you can have been sparkling she can have been sparkling we can have been sparkling you can have been sparkling they can have been sparkling
Negation
Simple form
I cannot sparkle you cannot sparkle she cannot sparkle we cannot sparkle you cannot sparkle they cannot sparkle
V-ing form
I cannot be sparkling you cannot be sparkling she cannot be sparkling we cannot be sparkling you cannot be sparkling they cannot be sparkling
Perfect
I cannot have sparkled you cannot have sparkled she cannot have sparkled we cannot have sparkled you cannot have sparkled they cannot have sparkled
V-ing perfect
I cannot have been sparkling you cannot have been sparkling she cannot have been sparkling we cannot have been sparkling you cannot have been sparkling they cannot have been sparkling
Interrogative form
Simple form
can I sparkle? can you sparkle? can she sparkle? can we sparkle? can you sparkle? can they sparkle?
V-ing form
can I be sparkling? can you be sparkling? can she be sparkling? can we be sparkling? can you be sparkling? can they be sparkling?
Perfect
can I have sparkled? can you have sparkled? can she have sparkled? can we have sparkled? can you have sparkled? can they have sparkled?
V-ing perfect
can I have been sparkling? can you have been sparkling? can she have been sparkling? can we have been sparkling? can you have been sparkling? can they have been sparkling?
Interro-negative form
Simple form
can I not sparkle? can you not sparkle? can she not sparkle? can we not sparkle? can you not sparkle? can they not sparkle?
V-ing form
can I not be sparkling? can you not be sparkling? can she not be sparkling? can we not be sparkling? can you not be sparkling? can they not be sparkling?
Perfect
can I not have sparkled? can you not have sparkled? can she not have sparkled? can we not have sparkled? can you not have sparkled? can they not have sparkled?
V-ing perfect
can I not have been sparkling? can you not have been sparkling? can she not have been sparkling? can we not have been sparkling? can you not have been sparkling? can they not have been sparkling?