| singular | plural |
| Infinitive | | |
| inject | |
| present simple | | |
| 1 | I inject | we inject |
| 2 | you inject | you inject |
| 3 | he/she/it injects | they inject |
| past simple | | |
| 1 | I injected | we injected |
| 2 | you injected | you injected |
| 3 | he/she/it injected | they injected |
| future simple | | |
| 1 | I will/shall inject | we will/shall inject |
| 2 | you will/shall inject | you will/shall inject |
| 3 | he/she/it will/shall inject | they will/shall inject |
| conditional simple | | |
| 1 | I would inject | we would inject |
| 2 | you would inject | you would inject |
| 3 | he/she/it would inject | they would inject |
| present continuous | | |
| 1 | I am injecting | we are injecting |
| 2 | you are injecting | you are injecting |
| 3 | he/she/it is injecting | they are injecting |
| past continuous | | |
| 1 | I was injecting | we were injecting |
| 2 | you were injecting | you were injecting |
| 3 | he/she/it was injecting | they were injecting |
| future continuous | | |
| 1 | I will be injecting | we will be injecting |
| 2 | you will be injecting | you will be injecting |
| 3 | he/she/it will be injecting | they will be injecting |
| conditional continuous | | |
| 1 | I would be injecting | we would be injecting |
| 2 | you would be injecting | you would be injecting |
| 3 | he/she/it would be injecting | they would be injecting |
| present perfect | | |
| 1 | I have injected | we have injected |
| 2 | you have injected | you have injected |
| 3 | he/she/it has injected | they have injected |
| past perfect | | |
| 1 | I had injected | we had injected |
| 2 | you had injected | you had injected |
| 3 | he/she/it had injected | they had injected |
| future perfect | | |
| 1 | I will have injected | we will have injected |
| 2 | you will have injected | you will have injected |
| 3 | he/she/it will have injected | they will have injected |
| conditional perfect | | |
| 1 | I would have injected | we would have injected |
| 2 | you would have injected | you would have injected |
| 3 | he/she/it would have injected | they would have injected |
