| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I inject | I injected | I shall/will inject |
| We inject | We injected | We shall/will inject |
| You inject | You injected | You will inject |
| He injects | He injected | He will inject |
| She injects | She injected | She will inject |
| It injects | It injected | It will inject |
| They inject | They injected | They will inject |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am injecting | I was injecting | I shall/will be injecting |
| We are injecting | We were injecting | We shall/will be injecting |
| You are injecting | You were injecting | You will be injecting |
| He is injecting | He was injecting | He will be injecting |
| She is injecting | She was injecting | She will be injecting |
| It is injecting | It was injecting | It will be injecting |
| They are injecting | They were injecting | They will be injecting |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have injected | I had injected | I shall/will have injected |
| We have injected | We had injected | We shall/will have injected |
| You have injected | You had injected | You will have injected |
| He has injected | He had injected | He will have injected |
| She has injected | She had injected | She will have injected |
| It has injected | It had injected | It will have injected |
| They have injected | They had injected | They will have injected |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been injecting | I had been injecting | I shall/will have been injecting |
| We have been injecting | We had been injecting | We shall/will have been injecting |
| You have been injecting | You had been injecting | You will have been injecting |
| He has been injecting | He had been injecting | He will have been injecting |
| She has been injecting | She had been injecting | She will have been injecting |
| It has been injecting | It had been injecting | It will have been injecting |
| They have been injecting | They had been injecting | They will have been injecting |