Conjugations of the English verb deteriorate can be found below. Click the translation icon 
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to translate each conjugation. Improve your vocabulary and boost your learning by taking the above online verb test.
Indicative
Present
| I | deteriorate |
| you | deteriorate |
| he | deteriorates |
| we | deteriorate |
| they | deteriorate |
Perfect
| 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 |