
Regular verb: deteriorate - deteriorated - deteriorated
Present | Present continuous | Preterite | Preterite continuous |
| I deteriorate you deteriorate he deteriorates we deteriorate you deteriorate they deteriorate | I'm deteriorating you're deteriorating he's deteriorating we're deteriorating you're deteriorating they're deteriorating | I deteriorated you deteriorated he deteriorated we deteriorated you deteriorated they deteriorated | I was deteriorating you were deteriorating he was deteriorating we were deteriorating you were deteriorating they were deteriorating |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I've deteriorated you've deteriorated he's deteriorated we've deteriorated you've deteriorated they've deteriorated | I've been deteriorating you've been deteriorating he's been deteriorating we've been deteriorating you've been deteriorating they've been deteriorating | I'd deteriorated you'd deteriorated he'd deteriorated we'd deteriorated you'd deteriorated they'd deteriorated | I'd been deteriorating you'd been deteriorating he'd been deteriorating we'd been deteriorating you'd been deteriorating they'd been deteriorating |
Future | Future continuous | Future perfect | Future perfect continuous |
| I'll deteriorate you'll deteriorate he'll deteriorate we'll deteriorate you'll deteriorate they'll deteriorate | I'll be deteriorating you'll be deteriorating he'll be deteriorating we'll be deteriorating you'll be deteriorating they'll be deteriorating | I'll have deteriorated you'll have deteriorated he'll have deteriorated we'll have deteriorated you'll have deteriorated they'll have deteriorated | I'll have been deteriorating you'll have been deteriorating he'll have been deteriorating we'll have been deteriorating you'll have been deteriorating they'll have been deteriorating |
Present | Present continuous | Past | Past continuous |
| I'd deteriorate you'd deteriorate he'd deteriorate we'd deteriorate you'd deteriorate they'd deteriorate | I'd be deteriorating you'd be deteriorating he'd be deteriorating we'd be deteriorating you'd be deteriorating they'd be deteriorating | I'd have deteriorated you'd have deteriorated he'd have deteriorated we'd have deteriorated you'd have deteriorated they'd have deteriorated | I'd have been deteriorating you'd have been deteriorating he'd have been deteriorating we'd have been deteriorating you'd have been deteriorating they'd have been deteriorating |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to deteriorate | deteriorate Let's deteriorate deteriorate |
Present | Past | ||
| deteriorating | deteriorated |