The past tense of contaminate is contaminated
| Infinitive | to contaminate |
| Present Tense | contaminate / contaminates |
| Past Tense | contaminated |
| Present Participle | contaminating |
| Past Participle | contaminated |
| Singular | Plural |
|---|---|
| I contaminate | We contaminate |
| You contaminate | You contaminate |
| He/She/It contaminates | They contaminate |
| Singular | Plural |
|---|---|
| I am contaminating | We are contaminating |
| You are contaminating | You are contaminating |
| He/She/It is contaminating | They are contaminating |
| Singular | Plural |
|---|---|
| I have contaminated | We have contaminated |
| You have contaminated | You have contaminated |
| He/She/It has contaminated | They have contaminated |
| Singular | Plural |
|---|---|
| I have been contaminating | We have been contaminating |
| You have been contaminating | You have been contaminating |
| He/She/It has been contaminating | They have been contaminating |
| Singular | Plural |
|---|---|
| I contaminated | We contaminated |
| You contaminated | You contaminated |
| He/She/It contaminated | They contaminated |
| Singular | Plural |
|---|---|
| I was contaminating | We were contaminating |
| You were contaminating | You were contaminating |
| He/She/It was contaminating | They were contaminating |
| Singular | Plural |
|---|---|
| I had contaminated | We had contaminated |
| You had contaminated | You had contaminated |
| He/She/It had contaminated | They had contaminated |
| Singular | Plural |
|---|---|
| I had been contaminating | We had been contaminating |
| You had been contaminating | You had been contaminating |
| He/She/It had been contaminating | They had been contaminating |
| Singular | Plural |
|---|---|
| I will contaminate | We will contaminate |
| You will contaminate | You will contaminate |
| He/She/It will contaminate | They will contaminate |
| Singular | Plural |
|---|---|
| I will be contaminating | We will be contaminating |
| You will be contaminating | You will be contaminating |
| He/She/It will be contaminating | They will be contaminating |
| Singular | Plural |
|---|---|
| I will have contaminated | We will have contaminated |
| You will have contaminated | You will have contaminated |
| He/She/It will have contaminated | They will have contaminated |
| Singular | Plural |
|---|---|
| I will have been contaminating | We will have been contaminating |
| You will have been contaminating | You will have been contaminating |
| He/She/It will have been contaminating | They will have been contaminating |
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