English verb conjugation
CAN CATECHISE

Regular verb: catechise - catechised - catechised

Affirmation

Simple form	V-ing form
I can catechise you can catechise he can catechise we can catechise you can catechise they can catechise	I can be catechising you can be catechising he can be catechising we can be catechising you can be catechising they can be catechising
Perfect	V-ing perfect
I can have catechised you can have catechised he can have catechised we can have catechised you can have catechised they can have catechised	I can have been catechising you can have been catechising he can have been catechising we can have been catechising you can have been catechising they can have been catechising

Negation

Simple form	V-ing form
I can't catechise you can't catechise he can't catechise we can't catechise you can't catechise they can't catechise	I can't be catechising you can't be catechising he can't be catechising we can't be catechising you can't be catechising they can't be catechising
Perfect	V-ing perfect
I can't have catechised you can't have catechised he can't have catechised we can't have catechised you can't have catechised they can't have catechised	I can't have been catechising you can't have been catechising he can't have been catechising we can't have been catechising you can't have been catechising they can't have been catechising

Interrogative form

Simple form	V-ing form
can I catechise? can you catechise? can he catechise? can we catechise? can you catechise? can they catechise?	can I be catechising? can you be catechising? can he be catechising? can we be catechising? can you be catechising? can they be catechising?
Perfect	V-ing perfect
can I have catechised? can you have catechised? can he have catechised? can we have catechised? can you have catechised? can they have catechised?	can I have been catechising? can you have been catechising? can he have been catechising? can we have been catechising? can you have been catechising? can they have been catechising?

Interro-negative form

Simple form	V-ing form
can't I catechise? can't you catechise? can't he catechise? can't we catechise? can't you catechise? can't they catechise?	can't I be catechising? can't you be catechising? can't he be catechising? can't we be catechising? can't you be catechising? can't they be catechising?
Perfect	V-ing perfect
can't I have catechised? can't you have catechised? can't he have catechised? can't we have catechised? can't you have catechised? can't they have catechised?	can't I have been catechising? can't you have been catechising? can't he have been catechising? can't we have been catechising? can't you have been catechising? can't they have been catechising?