English verb conjugation
CAN SCEND

Regular verb: scend - scended - scended

Affirmation

Simple form	V-ing form
I can scend you can scend he can scend we can scend you can scend they can scend	I can be scending you can be scending he can be scending we can be scending you can be scending they can be scending
Perfect	V-ing perfect
I can have scended you can have scended he can have scended we can have scended you can have scended they can have scended	I can have been scending you can have been scending he can have been scending we can have been scending you can have been scending they can have been scending

Negation

Simple form	V-ing form
I cannot scend you cannot scend he cannot scend we cannot scend you cannot scend they cannot scend	I cannot be scending you cannot be scending he cannot be scending we cannot be scending you cannot be scending they cannot be scending
Perfect	V-ing perfect
I cannot have scended you cannot have scended he cannot have scended we cannot have scended you cannot have scended they cannot have scended	I cannot have been scending you cannot have been scending he cannot have been scending we cannot have been scending you cannot have been scending they cannot have been scending

Interrogative form

Simple form	V-ing form
can I scend? can you scend? can he scend? can we scend? can you scend? can they scend?	can I be scending? can you be scending? can he be scending? can we be scending? can you be scending? can they be scending?
Perfect	V-ing perfect
can I have scended? can you have scended? can he have scended? can we have scended? can you have scended? can they have scended?	can I have been scending? can you have been scending? can he have been scending? can we have been scending? can you have been scending? can they have been scending?

Interro-negative form

Simple form	V-ing form
can I not scend? can you not scend? can he not scend? can we not scend? can you not scend? can they not scend?	can I not be scending? can you not be scending? can he not be scending? can we not be scending? can you not be scending? can they not be scending?
Perfect	V-ing perfect
can I not have scended? can you not have scended? can he not have scended? can we not have scended? can you not have scended? can they not have scended?	can I not have been scending? can you not have been scending? can he not have been scending? can we not have been scending? can you not have been scending? can they not have been scending?