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