| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I abstain | I abstained | I shall/will abstain |
| We abstain | We abstained | We shall/will abstain |
| You abstain | You abstained | You will abstain |
| He abstains | He abstained | He will abstain |
| She abstains | She abstained | She will abstain |
| It abstains | It abstained | It will abstain |
| They abstain | They abstained | They will abstain |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am abstraining | I was abstraining | I shall/will be abstraining |
| We are abstraining | We were abstraining | We shall/will be abstraining |
| You are abstraining | You were abstraining | You will be abstraining |
| He is abstraining | He was abstraining | He will be abstraining |
| She is abstraining | She was abstraining | She will be abstraining |
| It is abstraining | It was abstraining | It will be abstraining |
| They are abstraining | They were abstraining | They will be abstraining |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have abstained | I had abstained | I shall/will have abstained |
| We have abstained | We had abstained | We shall/will have abstained |
| You have abstained | You had abstained | You will have abstained |
| He has abstained | He had abstained | He will have abstained |
| She has abstained | She had abstained | She will have abstained |
| It has abstained | It had abstained | It will have abstained |
| They have abstained | They had abstained | They will have abstained |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been abstraining | I had been abstraining | I shall/will have been abstraining |
| We have been abstraining | We had been abstraining | We shall/will have been abstraining |
| You have been abstraining | You had been abstraining | You will have been abstraining |
| He has been abstraining | He had been abstraining | He will have been abstraining |
| She has been abstraining | She had been abstraining | She will have been abstraining |
| It has been abstraining | It had been abstraining | It will have been abstraining |
| They have been abstraining | They had been abstraining | They will have been abstraining |