English verb conjugation
TO COST

Irregular verb: cost - cost - cost

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I cost? don't you cost? doesn't he cost? don't we cost? don't you cost? don't they cost?	am I not costing? aren't you costing? isn't he costing? aren't we costing? aren't you costing? aren't they costing?	didn't I cost? didn't you cost? didn't he cost? didn't we cost? didn't you cost? didn't they cost?	wasn't I costing? weren't you costing? wasn't he costing? weren't we costing? weren't you costing? weren't they costing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I cost? haven't you cost? hasn't he cost? haven't we cost? haven't you cost? haven't they cost?	haven't I been costing? haven't you been costing? hasn't he been costing? haven't we been costing? haven't you been costing? haven't they been costing?	hadn't I cost? hadn't you cost? hadn't he cost? hadn't we cost? hadn't you cost? hadn't they cost?	hadn't I been costing? hadn't you been costing? hadn't he been costing? hadn't we been costing? hadn't you been costing? hadn't they been costing?
Future	Future continuous	Future perfect	Future perfect continuous
won't I cost? won't you cost? won't he cost? won't we cost? won't you cost? won't they cost?	won't I be costing? won't you be costing? won't he be costing? won't we be costing? won't you be costing? won't they be costing?	won't I have cost? won't you have cost? won't he have cost? won't we have cost? won't you have cost? won't they have cost?	won't I have been costing? won't you have been costing? won't he have been costing? won't we have been costing? won't you have been costing? won't they have been costing?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I cost? wouldn't you cost? wouldn't he cost? wouldn't we cost? wouldn't you cost? wouldn't they cost?	wouldn't I be costing? wouldn't you be costing? wouldn't he be costing? wouldn't we be costing? wouldn't you be costing? wouldn't they be costing?	wouldn't I have cost? wouldn't you have cost? wouldn't he have cost? wouldn't we have cost? wouldn't you have cost? wouldn't they have cost?	wouldn't I have been costing? wouldn't you have been costing? wouldn't he have been costing? wouldn't we have been costing? wouldn't you have been costing? wouldn't they have been costing?

Infinitive

Imperative

Infinitive		Imperative
to cost		- - -

Participle

Present	Past
costing	cost