English verb conjugation
OUGHT TO CRYSTALLISE

Regular verb: crystallise - crystallised - crystallised

Affirmation

Simple form	V-ing form
I ought to crystallise you ought to crystallise he ought to crystallise we ought to crystallise you ought to crystallise they ought to crystallise	I ought to be crystallising you ought to be crystallising he ought to be crystallising we ought to be crystallising you ought to be crystallising they ought to be crystallising
Perfect	V-ing perfect
I ought to have crystallised you ought to have crystallised he ought to have crystallised we ought to have crystallised you ought to have crystallised they ought to have crystallised	I ought to have been crystallising you ought to have been crystallising he ought to have been crystallising we ought to have been crystallising you ought to have been crystallising they ought to have been crystallising

Negation

Simple form	V-ing form
I ought not to crystallise you ought not to crystallise he ought not to crystallise we ought not to crystallise you ought not to crystallise they ought not to crystallise	I ought not to crystallising you ought not to crystallising he ought not to crystallising we ought not to crystallising you ought not to crystallising they ought not to crystallising
Perfect	V-ing perfect
I ought not to have crystallised you ought not to have crystallised he ought not to have crystallised we ought not to have crystallised you ought not to have crystallised they ought not to have crystallised	I ought not to have been crystallising you ought not to have been crystallising he ought not to have been crystallising we ought not to have been crystallising you ought not to have been crystallising they ought not to have been crystallising

Interrogative form

Simple form	V-ing form
ought to I crystallise? ought to you crystallise? ought to he crystallise? ought to we crystallise? ought to you crystallise? ought to they crystallise?	ought to I be crystallising? ought to you be crystallising? ought to he be crystallising? ought to we be crystallising? ought to you be crystallising? ought to they be crystallising?
Perfect	V-ing perfect
ought to I have crystallised? ought to you have crystallised? ought to he have crystallised? ought to we have crystallised? ought to you have crystallised? ought to they have crystallised?	ought to I have been crystallising? ought to you have been crystallising? ought to he have been crystallising? ought to we have been crystallising? ought to you have been crystallising? ought to they have been crystallising?

Interro-negative form

Simple form	V-ing form
ought I not to crystallise? ought you not to crystallise? ought he not to crystallise? ought we not to crystallise? ought you not to crystallise? ought they not to crystallise?	ought I not to be crystallising? ought you not to be crystallising? ought he not to be crystallising? ought we not to be crystallising? ought you not to be crystallising? ought they not to be crystallising?
Perfect	V-ing perfect
ought I not to have crystallised? ought you not to have crystallised? ought he not to have crystallised? ought we not to have crystallised? ought you not to have crystallised? ought they not to have crystallised?	ought I not to have been crystallising? ought you not to have been crystallising? ought he not to have been crystallising? ought we not to have been crystallising? ought you not to have been crystallising? ought they not to have been crystallising?