English verb conjugation
CAN CRYSTALLISE

Regular verb: crystallise - crystallised - crystallised

Affirmation

Simple form	V-ing form
I can crystallise you can crystallise she can crystallise we can crystallise you can crystallise they can crystallise	I can be crystallising you can be crystallising she can be crystallising we can be crystallising you can be crystallising they can be crystallising
Perfect	V-ing perfect
I can have crystallised you can have crystallised she can have crystallised we can have crystallised you can have crystallised they can have crystallised	I can have been crystallising you can have been crystallising she can have been crystallising we can have been crystallising you can have been crystallising they can have been crystallising

Negation

Simple form	V-ing form
I can't crystallise you can't crystallise she can't crystallise we can't crystallise you can't crystallise they can't crystallise	I can't be crystallising you can't be crystallising she can't be crystallising we can't be crystallising you can't be crystallising they can't be crystallising
Perfect	V-ing perfect
I can't have crystallised you can't have crystallised she can't have crystallised we can't have crystallised you can't have crystallised they can't have crystallised	I can't have been crystallising you can't have been crystallising she can't have been crystallising we can't have been crystallising you can't have been crystallising they can't have been crystallising

Interrogative form

Simple form	V-ing form
can I crystallise? can you crystallise? can she crystallise? can we crystallise? can you crystallise? can they crystallise?	can I be crystallising? can you be crystallising? can she be crystallising? can we be crystallising? can you be crystallising? can they be crystallising?
Perfect	V-ing perfect
can I have crystallised? can you have crystallised? can she have crystallised? can we have crystallised? can you have crystallised? can they have crystallised?	can I have been crystallising? can you have been crystallising? can she have been crystallising? can we have been crystallising? can you have been crystallising? can they have been crystallising?

Interro-negative form

Simple form	V-ing form
can't I crystallise? can't you crystallise? can't she crystallise? can't we crystallise? can't you crystallise? can't they crystallise?	can't I be crystallising? can't you be crystallising? can't she be crystallising? can't we be crystallising? can't you be crystallising? can't they be crystallising?
Perfect	V-ing perfect
can't I have crystallised? can't you have crystallised? can't she have crystallised? can't we have crystallised? can't you have crystallised? can't they have crystallised?	can't I have been crystallising? can't you have been crystallising? can't she have been crystallising? can't we have been crystallising? can't you have been crystallising? can't they have been crystallising?