Regular verb: stack - stacked - stacked
Present | Present continuous | Preterite | Preterite continuous |
I stack you stack she stacks we stack you stack they stack | I'm stacking you're stacking she's stacking we're stacking you're stacking they're stacking | I stacked you stacked she stacked we stacked you stacked they stacked | I was stacking you were stacking she was stacking we were stacking you were stacking they were stacking |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
I've stacked you've stacked she's stacked we've stacked you've stacked they've stacked | I've been stacking you've been stacking she's been stacking we've been stacking you've been stacking they've been stacking | I'd stacked you'd stacked she'd stacked we'd stacked you'd stacked they'd stacked | I'd been stacking you'd been stacking she'd been stacking we'd been stacking you'd been stacking they'd been stacking |
Future | Future continuous | Future perfect | Future perfect continuous |
I'll stack you'll stack she'll stack we'll stack you'll stack they'll stack | I'll be stacking you'll be stacking she'll be stacking we'll be stacking you'll be stacking they'll be stacking | I'll have stacked you'll have stacked she'll have stacked we'll have stacked you'll have stacked they'll have stacked | I'll have been stacking you'll have been stacking she'll have been stacking we'll have been stacking you'll have been stacking they'll have been stacking |
Present | Present continuous | Past | Past continuous |
I'd stack you'd stack she'd stack we'd stack you'd stack they'd stack | I'd be stacking you'd be stacking she'd be stacking we'd be stacking you'd be stacking they'd be stacking | I'd have stacked you'd have stacked she'd have stacked we'd have stacked you'd have stacked they'd have stacked | I'd have been stacking you'd have been stacking she'd have been stacking we'd have been stacking you'd have been stacking they'd have been stacking |
Infinitive | Imperative |
Infinitive | Imperative | ||
to stack | stack Let's stack stack |
Present | Past | ||
stacking | stacked |