English verb conjugation
CAN SYSTEMISE

Regular verb: systemise - systemised - systemised

Affirmation

Simple form	V-ing form
I can systemise you can systemise he can systemise we can systemise you can systemise they can systemise	I can be systemising you can be systemising he can be systemising we can be systemising you can be systemising they can be systemising
Perfect	V-ing perfect
I can have systemised you can have systemised he can have systemised we can have systemised you can have systemised they can have systemised	I can have been systemising you can have been systemising he can have been systemising we can have been systemising you can have been systemising they can have been systemising

Negation

Simple form	V-ing form
I can't systemise you can't systemise he can't systemise we can't systemise you can't systemise they can't systemise	I can't be systemising you can't be systemising he can't be systemising we can't be systemising you can't be systemising they can't be systemising
Perfect	V-ing perfect
I can't have systemised you can't have systemised he can't have systemised we can't have systemised you can't have systemised they can't have systemised	I can't have been systemising you can't have been systemising he can't have been systemising we can't have been systemising you can't have been systemising they can't have been systemising

Interrogative form

Simple form	V-ing form
can I systemise? can you systemise? can he systemise? can we systemise? can you systemise? can they systemise?	can I be systemising? can you be systemising? can he be systemising? can we be systemising? can you be systemising? can they be systemising?
Perfect	V-ing perfect
can I have systemised? can you have systemised? can he have systemised? can we have systemised? can you have systemised? can they have systemised?	can I have been systemising? can you have been systemising? can he have been systemising? can we have been systemising? can you have been systemising? can they have been systemising?

Interro-negative form

Simple form	V-ing form
can't I systemise? can't you systemise? can't he systemise? can't we systemise? can't you systemise? can't they systemise?	can't I be systemising? can't you be systemising? can't he be systemising? can't we be systemising? can't you be systemising? can't they be systemising?
Perfect	V-ing perfect
can't I have systemised? can't you have systemised? can't he have systemised? can't we have systemised? can't you have systemised? can't they have systemised?	can't I have been systemising? can't you have been systemising? can't he have been systemising? can't we have been systemising? can't you have been systemising? can't they have been systemising?