English verb conjugation
CAN PADLOCK

Regular verb: padlock - padlocked - padlocked

Affirmation

Simple form	V-ing form
I can padlock you can padlock she can padlock we can padlock you can padlock they can padlock	I can be padlocking you can be padlocking she can be padlocking we can be padlocking you can be padlocking they can be padlocking
Perfect	V-ing perfect
I can have padlocked you can have padlocked she can have padlocked we can have padlocked you can have padlocked they can have padlocked	I can have been padlocking you can have been padlocking she can have been padlocking we can have been padlocking you can have been padlocking they can have been padlocking

Negation

Simple form	V-ing form
I can't padlock you can't padlock she can't padlock we can't padlock you can't padlock they can't padlock	I can't be padlocking you can't be padlocking she can't be padlocking we can't be padlocking you can't be padlocking they can't be padlocking
Perfect	V-ing perfect
I can't have padlocked you can't have padlocked she can't have padlocked we can't have padlocked you can't have padlocked they can't have padlocked	I can't have been padlocking you can't have been padlocking she can't have been padlocking we can't have been padlocking you can't have been padlocking they can't have been padlocking

Interrogative form

Simple form	V-ing form
can I padlock? can you padlock? can she padlock? can we padlock? can you padlock? can they padlock?	can I be padlocking? can you be padlocking? can she be padlocking? can we be padlocking? can you be padlocking? can they be padlocking?
Perfect	V-ing perfect
can I have padlocked? can you have padlocked? can she have padlocked? can we have padlocked? can you have padlocked? can they have padlocked?	can I have been padlocking? can you have been padlocking? can she have been padlocking? can we have been padlocking? can you have been padlocking? can they have been padlocking?

Interro-negative form

Simple form	V-ing form
can't I padlock? can't you padlock? can't she padlock? can't we padlock? can't you padlock? can't they padlock?	can't I be padlocking? can't you be padlocking? can't she be padlocking? can't we be padlocking? can't you be padlocking? can't they be padlocking?
Perfect	V-ing perfect
can't I have padlocked? can't you have padlocked? can't she have padlocked? can't we have padlocked? can't you have padlocked? can't they have padlocked?	can't I have been padlocking? can't you have been padlocking? can't she have been padlocking? can't we have been padlocking? can't you have been padlocking? can't they have been padlocking?