| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I antedate | I antedated | I shall/will antedate |
| We antedate | We antedated | We shall/will antedate |
| You antedate | You antedated | You will antedate |
| He antedates | He antedated | He will antedate |
| She antedates | She antedated | She will antedate |
| It antedates | It antedated | It will antedate |
| They antedate | They antedated | They will antedate |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am antedating | I was antedating | I shall/will be antedating |
| We are antedating | We were antedating | We shall/will be antedating |
| You are antedating | You were antedating | You will be antedating |
| He is antedating | He was antedating | He will be antedating |
| She is antedating | She was antedating | She will be antedating |
| It is antedating | It was antedating | It will be antedating |
| They are antedating | They were antedating | They will be antedating |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have Antedated | I had Antedated | I shall/will have Antedated |
| We have Antedated | We had Antedated | We shall/will have Antedated |
| You have Antedated | You had Antedated | You will have Antedated |
| He has Antedated | He had Antedated | He will have Antedated |
| She has Antedated | She had Antedated | She will have Antedated |
| It has Antedated | It had Antedated | It will have Antedated |
| They have Antedated | They had Antedated | They will have Antedated |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been antedating | I had been antedating | I shall/will have been antedating |
| We have been antedating | We had been antedating | We shall/will have been antedating |
| You have been antedating | You had been antedating | You will have been antedating |
| He has been antedating | He had been antedating | He will have been antedating |
| She has been antedating | She had been antedating | She will have been antedating |
| It has been antedating | It had been antedating | It will have been antedating |
| They have been antedating | They had been antedating | They will have been antedating |