| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I grate | I grated | I shall/will grate |
| We grate | We grated | We shall/will grate |
| You grate | You grated | You will grate |
| He grates | He grated | He will grate |
| She grates | She grated | She will grate |
| It grates | It grated | It will grate |
| They grate | They grated | They will grate |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am grating | I was grating | I shall/will be grating |
| We are grating | We were grating | We shall/will be grating |
| You are grating | You were grating | You will be grating |
| He is grating | He was grating | He will be grating |
| She is grating | She was grating | She will be grating |
| It is grating | It was grating | It will be grating |
| They are grating | They were grating | They will be grating |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have Grated | I had Grated | I shall/will have Grated |
| We have Grated | We had Grated | We shall/will have Grated |
| You have Grated | You had Grated | You will have Grated |
| He has Grated | He had Grated | He will have Grated |
| She has Grated | She had Grated | She will have Grated |
| It has Grated | It had Grated | It will have Grated |
| They have Grated | They had Grated | They will have Grated |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been grating | I had been grating | I shall/will have been grating |
| We have been grating | We had been grating | We shall/will have been grating |
| You have been grating | You had been grating | You will have been grating |
| He has been grating | He had been grating | He will have been grating |
| She has been grating | She had been grating | She will have been grating |
| It has been grating | It had been grating | It will have been grating |
| They have been grating | They had been grating | They will have been grating |