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