cost: verb conjugation and noun forms
Conjugation of the verb cost[kɔst],
irregular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't costyou don't cost
he/she/it doesn't cost
we don't cost
you don't cost
they don't cost
Present Continuous
I am not costingyou aren't costing
he/she/it isn't costing
we aren't costing
you aren't costing
they aren't costing
Present Perfect
I haven't costyou haven't cost
he/she/it hasn't cost
we haven't cost
you haven't cost
they haven't cost
Present Perfect Continuous
I haven't been costingyou haven't been costing
he/she/it hasn't been costing
we haven't been costing
you haven't been costing
they haven't been costing
Past Indefinite
I didn't costyou didn't cost
he/she/it didn't cost
we didn't cost
you didn't cost
they didn't cost
Past Continuous
I wasn't costingyou weren't costing
he/she/it wasn't costing
we weren't costing
you weren't costing
they weren't costing
Past Perfect
I hadn't costyou hadn't cost
he/she/it hadn't cost
we hadn't cost
you hadn't cost
they hadn't cost
Past Perfect Continuous
I hadn't been costingyou hadn't been costing
he/she/it hadn't been costing
we hadn't been costing
you hadn't been costing
they hadn't been costing
Future Indefinite
I shan't / won't costyou won't cost
he/she/it won't cost
we shan't / won't cost
you won't cost
they won't cost
Future Continuous
I shan't / won't be costingyou won't be costing
he/she/it won't be costing
we shan't / won't be costing
you won't be costing
they won't be costing
Future Perfect
I shan't / won't have costyou won't have cost
he/she/it won't have cost
we shan't / won't have cost
you won't have cost
they won't have cost
Future Perfect Continuous
I shan't / won't have been costingyou won't have been costing
he/she/it won't have been costing
we shan't / won't have been costing
you won't have been costing
they won't have been costing
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't costyou wouldn't cost
he/she/it wouldn't cost
we wouldn't cost
you wouldn't cost
they wouldn't cost
Conditional Present Continuous
I wouldn't be costingyou wouldn't be costing
he/she/it wouldn't be costing
we wouldn't be costing
you wouldn't be costing
they wouldn't be costing
Conditional Perfect
I wouldn't have costyou wouldn't have cost
he/she/it wouldn't have cost
we wouldn't have cost
you wouldn't have cost
they wouldn't have cost
Conditional Perfect Continuous
I wouldn't have been costingyou wouldn't have been costing
he/she/it wouldn't have been costing
we wouldn't have been costing
you wouldn't have been costing
they wouldn't have been costing
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
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