| 1. | Base Form (Infinitive): | Investigate |
| 2. | Simple Past: | Investigated |
| 3. | Past Participle: | Investigated |
| 4. | Present Participle: | Investigating |
| 5. | 3rd Person Singular: | Investigates |
Investigate past tense
| Investigated |
| Investigated is the past tense of the word investigate. |
Investigate past participle
| Investigated |
| Investigated is the past participle of the word investigate. |
Investigate verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Investigate | Investigated | Investigated | Investigating |
Conjugation of Investigate
| Simple / Indefinite Present Tense |
| I investigate the company. |
| He/She/It investigates the company. |
| You/We/They investigate the company. |
| Simple Past Tense |
| I investigated the company. |
| He/She/It investigated the company. |
| You/We/They investigated the company. |
| Simple Future Tense |
| I will/shall investigate the company. |
| He/She/It will investigate the company. |
| You/We/They will/shall investigate the company. |
| Present Continuous Tense |
| I am investigating the company. |
| He/She/It is investigating the company. |
| You/We/They are investigating the company. |
| Past Continuous Tense |
| I was investigating the company. |
| He/She/It was investigating the company. |
| You/We/They were investigating the company. |
| Future Continuous Tense |
| I will be investigating the company. |
| He/She/It will be investigating the company. |
| You/We/They will be investigating the company. |
| Present Perfect Tense |
| I have investigated the company. |
| He/She/It has investigated the company. |
| You/We/They have investigated the company. |
| Past Perfect Tense |
| I had investigated the company. |
| He/She/It had investigated the company. |
| You/We/They had investigated the company. |
| Future Perfect Tense |
| I will have investigated the company. |
| He/She/It will have investigated the company. |
| You/We/They will have investigated the company. |
| Present Perfect Continuous Tense |
| I have been investigating the company. |
| He/She/It has been investigating the company. |
| You/We/They have been investigating the company. |
| Past Perfect Continuous Tense |
| I had been investigating the company. |
| He/She/It had been investigating the company. |
| You/We/They had been investigating the company. |
| Future Perfect Continuous Tense |
| I will have been investigating the company. |
| He/She/It will have been investigating the company. |
| You/We/They will have been investigating the company. |
