English verb conjugation
CAN DEVITALISE

Regular verb: devitalise - devitalised - devitalised

Affirmation

Simple form	V-ing form
I can devitalise you can devitalise he can devitalise we can devitalise you can devitalise they can devitalise	I can be devitalising you can be devitalising he can be devitalising we can be devitalising you can be devitalising they can be devitalising
Perfect	V-ing perfect
I can have devitalised you can have devitalised he can have devitalised we can have devitalised you can have devitalised they can have devitalised	I can have been devitalising you can have been devitalising he can have been devitalising we can have been devitalising you can have been devitalising they can have been devitalising

Negation

Simple form	V-ing form
I can't devitalise you can't devitalise he can't devitalise we can't devitalise you can't devitalise they can't devitalise	I can't be devitalising you can't be devitalising he can't be devitalising we can't be devitalising you can't be devitalising they can't be devitalising
Perfect	V-ing perfect
I can't have devitalised you can't have devitalised he can't have devitalised we can't have devitalised you can't have devitalised they can't have devitalised	I can't have been devitalising you can't have been devitalising he can't have been devitalising we can't have been devitalising you can't have been devitalising they can't have been devitalising

Interrogative form

Simple form	V-ing form
can I devitalise? can you devitalise? can he devitalise? can we devitalise? can you devitalise? can they devitalise?	can I be devitalising? can you be devitalising? can he be devitalising? can we be devitalising? can you be devitalising? can they be devitalising?
Perfect	V-ing perfect
can I have devitalised? can you have devitalised? can he have devitalised? can we have devitalised? can you have devitalised? can they have devitalised?	can I have been devitalising? can you have been devitalising? can he have been devitalising? can we have been devitalising? can you have been devitalising? can they have been devitalising?

Interro-negative form

Simple form	V-ing form
can't I devitalise? can't you devitalise? can't he devitalise? can't we devitalise? can't you devitalise? can't they devitalise?	can't I be devitalising? can't you be devitalising? can't he be devitalising? can't we be devitalising? can't you be devitalising? can't they be devitalising?
Perfect	V-ing perfect
can't I have devitalised? can't you have devitalised? can't he have devitalised? can't we have devitalised? can't you have devitalised? can't they have devitalised?	can't I have been devitalising? can't you have been devitalising? can't he have been devitalising? can't we have been devitalising? can't you have been devitalising? can't they have been devitalising?