irregularA1

Conjugation of cost

cost · cost · cost

Sens: coûter
Sens: have a price

Verbs with the same pattern are shown below.

Verbes qui se conjuguent comme put · put · put

Indicative

Simple present

Habitudes et faits : she writes every day.

I	cost
you	cost
he/she/it	costs
we	cost
they	cost

Present continuous

Action en cours maintenant ou autour de maintenant : she is writing.

I	am costing
you	are costing
he/she/it	is costing
we	are costing
they	are costing

Simple past

Action terminée dans le passé : she wrote yesterday.

I	cost
you	cost
he/she/it	cost
we	cost
they	cost

Past continuous

Action en cours dans le passé : she was writing.

I	was costing
you	were costing
he/she/it	was costing
we	were costing
they	were costing

Present perfect

Passé lié au présent : she has written three pages.

I	have cost
you	have cost
he/she/it	has cost
we	have cost
they	have cost

Present perfect continuous

Action qui continue jusqu'à maintenant : she has been writing.

I	have been costing
you	have been costing
he/she/it	has been costing
we	have been costing
they	have been costing

Past perfect

Action antérieure à une autre action passée : she had written it.

I	had cost
you	had cost
he/she/it	had cost
we	had cost
they	had cost

Past perfect continuous

Durée avant un moment passé : she had been writing.

I	had been costing
you	had been costing
he/she/it	had been costing
we	had been costing
they	had been costing

Simple future

Futur avec will : she will write.

I	will cost
you	will cost
he/she/it	will cost
we	will cost
they	will cost

Future continuous

Action en cours à un moment futur : she will be writing.

I	will be costing
you	will be costing
he/she/it	will be costing
we	will be costing
they	will be costing

Future perfect

Action terminée avant un moment futur : she will have written.

I	will have cost
you	will have cost
he/she/it	will have cost
we	will have cost
they	will have cost

Future perfect continuous

Durée avant un moment futur : she will have been writing.

I	will have been costing
you	will have been costing
he/she/it	will have been costing
we	will have been costing
they	will have been costing

Conditional

Present conditional

Résultat imaginé : she would write.

I	would cost
you	would cost
he/she/it	would cost
we	would cost
they	would cost

Present continuous conditional

Action imaginée en cours : she would be writing.

I	would be costing
you	would be costing
he/she/it	would be costing
we	would be costing
they	would be costing

Perfect conditional

Résultat passé imaginé : she would have written.

I	would have cost
you	would have cost
he/she/it	would have cost
we	would have cost
they	would have cost

Perfect continuous conditional

Durée passée imaginée : she would have been writing.

I	would have been costing
you	would have been costing
he/she/it	would have been costing
we	would have been costing
they	would have been costing

Imperative

Imperative (you / let's)

Consignes : write; let's write; do not write.

you	cost
let's	let's cost
negative you	do not cost
negative let's	let's not cost

Non-finite

Infinitive / to-infinitive

Base verbale et to-infinitive : to write.

	cost

Perfect infinitive

Action antérieure après un autre verbe : to have written.

	to have cost

Present participle (gerund)

Forme en -ing comme gérondif ou participe : writing.

	costing

Past participle

Sert aux temps perfect et à certains adjectifs : written.

	cost

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S’entraîner

Conditional · Perfect conditional

cost