| 1. | Base Form (Infinitive): | Sniff |
| 2. | Simple Past: | Sniffed |
| 3. | Past Participle: | Sniffed |
| 4. | Present Participle: | Sniffing |
| 5. | 3rd Person Singular: | Sniffs |

Sniff past tense
| Sniffed |
| Sniffed is the past tense of the word sniff. |
Sniff past participle
| Sniffed |
| Sniffed is the past participle of the word sniff. |
Sniff verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Sniff | Sniffed | Sniffed | Sniffing |
Conjugation of Sniff
| Simple / Indefinite Present Tense |
| I sniff. |
| He/She/It sniffs. |
| You/We/They sniff. |
| Simple Past Tense |
| I sniffed. |
| He/She/It sniffed. |
| You/We/They sniffed. |
| Simple Future Tense |
| I will/shall sniff. |
| He/She/It will sniff. |
| You/We/They will/shall sniff. |
| Present Continuous Tense |
| I am sniffing. |
| He/She/It is sniffing. |
| You/We/They are sniffing. |
| Past Continuous Tense |
| I was sniffing. |
| He/She/It was sniffing. |
| You/We/They were sniffing. |
| Future Continuous Tense |
| I will be sniffing. |
| He/She/It will be sniffing. |
| You/We/They will be sniffing. |
| Present Perfect Tense |
| I have sniffed. |
| He/She/It has sniffed. |
| You/We/They have sniffed. |
| Past Perfect Tense |
| I had sniffed. |
| He/She/It had sniffed. |
| You/We/They had sniffed. |
| Future Perfect Tense |
| I will have sniffed. |
| He/She/It will have sniffed. |
| You/We/They will have sniffed. |
| Present Perfect Continuous Tense |
| I have been sniffing. |
| He/She/It has been sniffing. |
| You/We/They have been sniffing. |
| Past Perfect Continuous Tense |
| I had been sniffing. |
| He/She/It had been sniffing. |
| You/We/They had been sniffing. |
| Future Perfect Continuous Tense |
| I will have been sniffing. |
| He/She/It will have been sniffing. |
| You/We/They will have been sniffing. |
More verb past tense