| 1. | Base Form (Infinitive): | Congratulate |
| 2. | Simple Past: | Congratulated |
| 3. | Past Participle: | Congratulated |
| 4. | Present Participle: | Congratulating |
| 5. | 3rd Person Singular: | Congratulates |

Congratulate past tense
| Congratulated |
| Congratulated is the past tense of the word congratulate. |
Congratulate past participle
| Congratulated |
| Congratulated is the past participle of the word congratulate. |
Congratulate verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Congratulate | Congratulated | Congratulated | Congratulating |
Conjugation of Congratulate
| Simple / Indefinite Present Tense |
| I congratulate you on passing the exam. |
| He/She/It congratulates you on passing the exam. |
| You/We/They congratulate you on passing the exam. |
| Simple Past Tense |
| I congratulated you on passing the exam. |
| He/She/It congratulated you on passing the exam. |
| You/We/They congratulated you on passing the exam. |
| Simple Future Tense |
| I will/shall congratulate you on passing the exam. |
| He/She/It will congratulate you on passing the exam. |
| You/We/They will/shall congratulate you on passing the exam. |
| Present Continuous Tense |
| I am congratulating you on passing the exam. |
| He/She/It is congratulating you on passing the exam. |
| You/We/They are congratulating you on passing the exam. |
| Past Continuous Tense |
| I was congratulating you on passing the exam. |
| He/She/It was congratulating you on passing the exam. |
| You/We/They were congratulating you on passing the exam. |
| Future Continuous Tense |
| I will be congratulating you on passing the exam. |
| He/She/It will be congratulating you on passing the exam. |
| You/We/They will be congratulating you on passing the exam. |
| Present Perfect Tense |
| I have congratulated you on passing the exam. |
| He/She/It has congratulated you on passing the exam. |
| You/We/They have congratulated you on passing the exam. |
| Past Perfect Tense |
| I had congratulated you on passing the exam. |
| He/She/It had congratulated you on passing the exam. |
| You/We/They had congratulated you on passing the exam. |
| Future Perfect Tense |
| I will have congratulated you on passing the exam. |
| He/She/It will have congratulated you on passing the exam. |
| You/We/They will have congratulated you on passing the exam. |
| Present Perfect Continuous Tense |
| I have been congratulating you on passing the exam. |
| He/She/It has been congratulating you on passing the exam. |
| You/We/They have been congratulating you on passing the exam. |
| Past Perfect Continuous Tense |
| I had been congratulating you on passing the exam. |
| He/She/It had been congratulating you on passing the exam. |
| You/We/They had been congratulating you on passing the exam. |
| Future Perfect Continuous Tense |
| I will have been congratulating you on passing the exam. |
| He/She/It will have been congratulating you on passing the exam. |
| You/We/They will have been congratulating you on passing the exam. |