| 1. | Base Form (Infinitive): | Inject |
| 2. | Simple Past: | Injected |
| 3. | Past Participle: | Injected |
| 4. | Present Participle: | Injecting |
| 5. | 3rd Person Singular: | Injects |

Inject past tense
| Injected |
| Injected is the past tense of the word inject. |
Inject past participle
| Injected |
| Injected is the past participle of the word inject. |
Inject verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Inject | Injected | Injected | Injecting |
Conjugation of Inject
| Simple / Indefinite Present Tense |
| I inject. |
| He/She/It injects. |
| You/We/They inject. |
| Simple Past Tense |
| I injected. |
| He/She/It injected. |
| You/We/They injected. |
| Simple Future Tense |
| I will/shall inject. |
| He/She/It will inject. |
| You/We/They will/shall inject. |
| Present Continuous Tense |
| I am injecting. |
| He/She/It is injecting. |
| You/We/They are injecting. |
| Past Continuous Tense |
| I was injecting. |
| He/She/It was injecting. |
| You/We/They were injecting. |
| Future Continuous Tense |
| I will be injecting. |
| He/She/It will be injecting. |
| You/We/They will be injecting. |
| Present Perfect Tense |
| I have injected. |
| He/She/It has injected. |
| You/We/They have injected. |
| Past Perfect Tense |
| I had injected. |
| He/She/It had injected. |
| You/We/They had injected. |
| Future Perfect Tense |
| I will have injected. |
| He/She/It will have injected. |
| You/We/They will have injected. |
| Present Perfect Continuous Tense |
| I have been injecting. |
| He/She/It has been injecting. |
| You/We/They have been injecting. |
| Past Perfect Continuous Tense |
| I had been injecting. |
| He/She/It had been injecting. |
| You/We/They had been injecting. |
| Future Perfect Continuous Tense |
| I will have been injecting. |
| He/She/It will have been injecting. |
| You/We/They will have been injecting. |