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