| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I dam | I dams | I shall/will dam |
| We dam | We dams | We shall/will dam |
| You dam | You dams | You will dam |
| He dams | He dams | He will dam |
| She dams | She dams | She will dam |
| It dams | It dams | It will dam |
| They dam | They dams | They will dam |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am damming | I was damming | I shall/will be damming |
| We are damming | We were damming | We shall/will be damming |
| You are damming | You were damming | You will be damming |
| He is damming | He was damming | He will be damming |
| She is damming | She was damming | She will be damming |
| It is damming | It was damming | It will be damming |
| They are damming | They were damming | They will be damming |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have dammed | I had dammed | I shall/will have dammed |
| We have dammed | We had dammed | We shall/will have dammed |
| You have dammed | You had dammed | You will have dammed |
| He has dammed | He had dammed | He will have dammed |
| She has dammed | She had dammed | She will have dammed |
| It has dammed | It had dammed | It will have dammed |
| They have dammed | They had dammed | They will have dammed |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been damming | I had been damming | I shall/will have been damming |
| We have been damming | We had been damming | We shall/will have been damming |
| You have been damming | You had been damming | You will have been damming |
| He has been damming | He had been damming | He will have been damming |
| She has been damming | She had been damming | She will have been damming |
| It has been damming | It had been damming | It will have been damming |
| They have been damming | They had been damming | They will have been damming |