
Regular verb: dam - dammed - dammed
| Present | Present continuous | Preterite | Preterite continuous | 
| I dam you dam he dams we dam you dam they dam | I am damming you are damming he is damming we are damming you are damming they are damming | I dammed you dammed he dammed we dammed you dammed they dammed | I was damming you were damming he was damming we were damming you were damming they were damming | 
| Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I have dammed you have dammed he has dammed we have dammed you have dammed they have dammed | I have been damming you have been damming he has been damming we have been damming you have been damming they have been damming | I had dammed you had dammed he had dammed we had dammed you had dammed they had dammed | I had been damming you had been damming he had been damming we had been damming you had been damming they had been damming | 
| Future | Future continuous | Future perfect | Future perfect continuous | 
| I will dam you will dam he will dam we will dam you will dam they will dam | I will be damming you will be damming he will be damming we will be damming you will be damming they will be damming | I will have dammed you will have dammed he will have dammed we will have dammed you will have dammed they will have dammed | I will have been damming you will have been damming he will have been damming we will have been damming you will have been damming they will have been damming | 
| Present | Present continuous | Past | Past continuous | 
| I would dam you would dam he would dam we would dam you would dam they would dam | I would be damming you would be damming he would be damming we would be damming you would be damming they would be damming | I would have dammed you would have dammed he would have dammed we would have dammed you would have dammed they would have dammed | I would have been damming you would have been damming he would have been damming we would have been damming you would have been damming they would have been damming | 
| Infinitive | Imperative | 
| Infinitive | Imperative | ||
| to dam | dam Let's dam dam | 
| Present | Past | ||
| damming | dammed |