| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I base | I based | I shall/will base |
| We base | We based | We shall/will base |
| You base | You based | You will base |
| He bases | He based | He will base |
| She bases | She based | She will base |
| It bases | It based | It will base |
| They base | They based | They will base |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am basing | I was basing | I shall/will be basing |
| We are basing | We were basing | We shall/will be basing |
| You are basing | You were basing | You will be basing |
| He is basing | He was basing | He will be basing |
| She is basing | She was basing | She will be basing |
| It is basing | It was basing | It will be basing |
| They are basing | They were basing | They will be basing |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have based | I had based | I shall/will have based |
| We have based | We had based | We shall/will have based |
| You have based | You had based | You will have based |
| He has based | He had based | He will have based |
| She has based | She had based | She will have based |
| It has based | It had based | It will have based |
| They have based | They had based | They will have based |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been basing | I had been basing | I shall/will have been basing |
| We have been basing | We had been basing | We shall/will have been basing |
| You have been basing | You had been basing | You will have been basing |
| He has been basing | He had been basing | He will have been basing |
| She has been basing | She had been basing | She will have been basing |
| It has been basing | It had been basing | It will have been basing |
| They have been basing | They had been basing | They will have been basing |
| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I base | I based | I shall/will base |
| We base | We based | We shall/will base |
| You base | You based | You will base |
| He bases | He based | He will base |
| She bases | She based | She will base |
| It bases | It based | It will base |
| They base | They based | They will base |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am basing | I was basing | I shall/will be basing |
| We are basing | We were basing | We shall/will be basing |
| You are basing | You were basing | You will be basing |
| He is basing | He was basing | He will be basing |
| She is basing | She was basing | She will be basing |
| It is basing | It was basing | It will be basing |
| They are basing | They were basing | They will be basing |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have Based | I had Based | I shall/will have Based |
| We have Based | We had Based | We shall/will have Based |
| You have Based | You had Based | You will have Based |
| He has Based | He had Based | He will have Based |
| She has Based | She had Based | She will have Based |
| It has Based | It had Based | It will have Based |
| They have Based | They had Based | They will have Based |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been basing | I had been basing | I shall/will have been basing |
| We have been basing | We had been basing | We shall/will have been basing |
| You have been basing | You had been basing | You will have been basing |
| He has been basing | He had been basing | He will have been basing |
| She has been basing | She had been basing | She will have been basing |
| It has been basing | It had been basing | It will have been basing |
| They have been basing | They had been basing | They will have been basing |