English verb conjugation
CAN PREASSEMBLE

Regular verb: preassemble - preassembled - preassembled

Affirmation

Simple form	V-ing form
I can preassemble you can preassemble he can preassemble we can preassemble you can preassemble they can preassemble	I can be preassembling you can be preassembling he can be preassembling we can be preassembling you can be preassembling they can be preassembling
Perfect	V-ing perfect
I can have preassembled you can have preassembled he can have preassembled we can have preassembled you can have preassembled they can have preassembled	I can have been preassembling you can have been preassembling he can have been preassembling we can have been preassembling you can have been preassembling they can have been preassembling

Negation

Simple form	V-ing form
I cannot preassemble you cannot preassemble he cannot preassemble we cannot preassemble you cannot preassemble they cannot preassemble	I cannot be preassembling you cannot be preassembling he cannot be preassembling we cannot be preassembling you cannot be preassembling they cannot be preassembling
Perfect	V-ing perfect
I cannot have preassembled you cannot have preassembled he cannot have preassembled we cannot have preassembled you cannot have preassembled they cannot have preassembled	I cannot have been preassembling you cannot have been preassembling he cannot have been preassembling we cannot have been preassembling you cannot have been preassembling they cannot have been preassembling

Interrogative form

Simple form	V-ing form
can I preassemble? can you preassemble? can he preassemble? can we preassemble? can you preassemble? can they preassemble?	can I be preassembling? can you be preassembling? can he be preassembling? can we be preassembling? can you be preassembling? can they be preassembling?
Perfect	V-ing perfect
can I have preassembled? can you have preassembled? can he have preassembled? can we have preassembled? can you have preassembled? can they have preassembled?	can I have been preassembling? can you have been preassembling? can he have been preassembling? can we have been preassembling? can you have been preassembling? can they have been preassembling?

Interro-negative form

Simple form	V-ing form
can I not preassemble? can you not preassemble? can he not preassemble? can we not preassemble? can you not preassemble? can they not preassemble?	can I not be preassembling? can you not be preassembling? can he not be preassembling? can we not be preassembling? can you not be preassembling? can they not be preassembling?
Perfect	V-ing perfect
can I not have preassembled? can you not have preassembled? can he not have preassembled? can we not have preassembled? can you not have preassembled? can they not have preassembled?	can I not have been preassembling? can you not have been preassembling? can he not have been preassembling? can we not have been preassembling? can you not have been preassembling? can they not have been preassembling?