| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I acknowledge | I acknowledged | I shall/will acknowledge |
| We acknowledge | We acknowledged | We shall/will acknowledge |
| You acknowledge | You acknowledged | You will acknowledge |
| He acknowledges | He acknowledged | He will acknowledge |
| She acknowledges | She acknowledged | She will acknowledge |
| It acknowledges | It acknowledged | It will acknowledge |
| They acknowledge | They acknowledged | They will acknowledge |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am acknowledging | I was acknowledging | I shall/will be acknowledging |
| We are acknowledging | We were acknowledging | We shall/will be acknowledging |
| You are acknowledging | You were acknowledging | You will be acknowledging |
| He is acknowledging | He was acknowledging | He will be acknowledging |
| She is acknowledging | She was acknowledging | She will be acknowledging |
| It is acknowledging | It was acknowledging | It will be acknowledging |
| They are acknowledging | They were acknowledging | They will be acknowledging |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have acknowledged | I had acknowledged | I shall/will have acknowledged |
| We have acknowledged | We had acknowledged | We shall/will have acknowledged |
| You have acknowledged | You had acknowledged | You will have acknowledged |
| He has acknowledged | He had acknowledged | He will have acknowledged |
| She has acknowledged | She had acknowledged | She will have acknowledged |
| It has acknowledged | It had acknowledged | It will have acknowledged |
| They have acknowledged | They had acknowledged | They will have acknowledged |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been acknowledging | I had been acknowledging | I shall/will have been acknowledging |
| We have been acknowledging | We had been acknowledging | We shall/will have been acknowledging |
| You have been acknowledging | You had been acknowledging | You will have been acknowledging |
| He has been acknowledging | He had been acknowledging | He will have been acknowledging |
| She has been acknowledging | She had been acknowledging | She will have been acknowledging |
| It has been acknowledging | It had been acknowledging | It will have been acknowledging |
| They have been acknowledging | They had been acknowledging | They will have been acknowledging |