| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I diminish | I diminished | I shall/will diminish |
| We diminish | We diminished | We shall/will diminish |
| You diminish | You diminished | You will diminish |
| He diminishes | He diminished | He will diminish |
| She diminishes | She diminished | She will diminish |
| It diminishes | It diminished | It will diminish |
| They diminish | They diminished | They will diminish |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am diminishing | I was diminishing | I shall/will be diminishing |
| We are diminishing | We were diminishing | We shall/will be diminishing |
| You are diminishing | You were diminishing | You will be diminishing |
| He is diminishing | He was diminishing | He will be diminishing |
| She is diminishing | She was diminishing | She will be diminishing |
| It is diminishing | It was diminishing | It will be diminishing |
| They are diminishing | They were diminishing | They will be diminishing |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have diminished | I had diminished | I shall/will have diminished |
| We have diminished | We had diminished | We shall/will have diminished |
| You have diminished | You had diminished | You will have diminished |
| He has diminished | He had diminished | He will have diminished |
| She has diminished | She had diminished | She will have diminished |
| It has diminished | It had diminished | It will have diminished |
| They have diminished | They had diminished | They will have diminished |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been diminishing | I had been diminishing | I shall/will have been diminishing |
| We have been diminishing | We had been diminishing | We shall/will have been diminishing |
| You have been diminishing | You had been diminishing | You will have been diminishing |
| He has been diminishing | He had been diminishing | He will have been diminishing |
| She has been diminishing | She had been diminishing | She will have been diminishing |
| It has been diminishing | It had been diminishing | It will have been diminishing |
| They have been diminishing | They had been diminishing | They will have been diminishing |