English verb conjugation
CAN REALISE

Regular verb: realise - realised - realised

Affirmation

Simple form	V-ing form
I can realise you can realise he can realise we can realise you can realise they can realise	I can be realising you can be realising he can be realising we can be realising you can be realising they can be realising
Perfect	V-ing perfect
I can have realised you can have realised he can have realised we can have realised you can have realised they can have realised	I can have been realising you can have been realising he can have been realising we can have been realising you can have been realising they can have been realising

Negation

Simple form	V-ing form
I cannot realise you cannot realise he cannot realise we cannot realise you cannot realise they cannot realise	I cannot be realising you cannot be realising he cannot be realising we cannot be realising you cannot be realising they cannot be realising
Perfect	V-ing perfect
I cannot have realised you cannot have realised he cannot have realised we cannot have realised you cannot have realised they cannot have realised	I cannot have been realising you cannot have been realising he cannot have been realising we cannot have been realising you cannot have been realising they cannot have been realising

Interrogative form

Simple form	V-ing form
can I realise? can you realise? can he realise? can we realise? can you realise? can they realise?	can I be realising? can you be realising? can he be realising? can we be realising? can you be realising? can they be realising?
Perfect	V-ing perfect
can I have realised? can you have realised? can he have realised? can we have realised? can you have realised? can they have realised?	can I have been realising? can you have been realising? can he have been realising? can we have been realising? can you have been realising? can they have been realising?

Interro-negative form

Simple form	V-ing form
can I not realise? can you not realise? can he not realise? can we not realise? can you not realise? can they not realise?	can I not be realising? can you not be realising? can he not be realising? can we not be realising? can you not be realising? can they not be realising?
Perfect	V-ing perfect
can I not have realised? can you not have realised? can he not have realised? can we not have realised? can you not have realised? can they not have realised?	can I not have been realising? can you not have been realising? can he not have been realising? can we not have been realising? can you not have been realising? can they not have been realising?