Conjugations of the English verb deteriorate can be found below. To conjugate any other English or French verb you can use the search box on the top of the page. Click the translation icon Translation button to translate each conjugation. To help you learn this verb you can test yourself on its conjugation. Do this by clicking on the yellow Test button on the top right.
 

Indicative

Present
T
I deteriorate
you deteriorate
he deteriorates
we deteriorate
they deteriorate
Perfect
T
I have deteriorated
you have deteriorated
he has deteriorated
we have deteriorated
they have deteriorated
Past
I deteriorated
you deteriorated
he deteriorated
we deteriorated
they deteriorated
Pluperfect
I had deteriorated
you had deteriorated
he had deteriorated
we had deteriorated
they had deteriorated
Future
I will deteriorate
you will deteriorate
he will deteriorate
we will deteriorate
they will deteriorate
Future perfect
I will have deteriorated
you will have deteriorated
he will have deteriorated
we will have deteriorated
they will have deteriorated

Imperative

Present
deteriorate!
let's deteriorate!
 
 
 

Conditional

Present
I would deteriorate
you would deteriorate
he would deteriorate
we would deteriorate
they would deteriorate
Perfect
I would have deteriorated
you would have deteriorated
he would have deteriorated
we would have deteriorated
they would have deteriorated

Conjunctive

Present
I deteriorate
you deteriorate
he deteriorate
we deteriorate
they deteriorate
Perfect
I have deteriorated
you have deteriorated
he have deteriorated
we have deteriorated
they have deteriorated
Past
 
I deteriorated
you deteriorated
he deteriorated
we deteriorated
they deteriorated
Pluperfect
 
I had deteriorated
you had deteriorated
he had deteriorated
we had deteriorated
they had deteriorated

Participle

Gerund
deteriorating
Past
deteriorated