ought to cling
Irregular verb: cling - clung- clung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to cling
you ought to cling
he ought to cling
we ought to cling
you ought to cling
they ought to cling 	I ought to be clinging
you ought to be clinging
he ought to be clinging
we ought to be clinging
you ought to be clinging
they ought to be clinging	I ought to have clung
you ought to have clung
he ought to have clung
we ought to have clung
you ought to have clung
they ought to have clung	I ought to have been clinging
you ought to have been clinging
he ought to have been clinging
we ought to have been clinging
you ought to have been clinging
they ought to have been clinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to cling
you ought not to cling
he ought not to cling
we ought not to cling
you ought not to cling
they ought not to cling 	I ought not to clinging
you ought not to clinging
he ought not to clinging
we ought not to clinging
you ought not to clinging
they ought not to clinging	I ought not to have clung
you ought not to have clung
he ought not to have clung
we ought not to have clung
you ought not to have clung
they ought not to have clung	I ought not to have been clinging
you ought not to have been clinging
he ought not to have been clinging
we ought not to have been clinging
you ought not to have been clinging
they ought not to have been clinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I cling?
ought to you cling?
ought to he cling?
ought to we cling?
ought to you cling?
ought to they cling? 	ought to I be clinging?
ought to you be clinging?
ought to he be clinging?
ought to we be clinging?
ought to you be clinging?
ought to they be clinging? 	ought to I have clung?
ought to you have clung?
ought to he have clung?
ought to we have clung?
ought to you have clung?
ought to they have clung? 	ought to I have been clinging?
ought to you have been clinging?
ought to he have been clinging?
ought to we have been clinging?
ought to you have been clinging?
ought to they have been clinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to cling?
ought you not to cling?
ought he not to cling?
ought we not to cling?
ought you not to cling?
ought they not to cling? 	ought I not to be clinging?
ought you not to be clinging?
ought he not to be clinging?
ought we not to be clinging?
ought you not to be clinging?
ought they not to be clinging? 	ought I not to have clung?
ought you not to have clung?
ought he not to have clung?
ought we not to have clung?
ought you not to have clung?
ought they not to have clung? 	ought I not to have been clinging?
ought you not to have been clinging?
ought he not to have been clinging?
ought we not to have been clinging?
ought you not to have been clinging?
ought they not to have been clinging?