A B C D E F G H I J K L M N O P Q R S T U V W X Y Z , Overview
| German | untersuchen |
| French | examiner, enquêter sur |
| ACTIVE | Passive | Intro | AFFIRMATION | Negation |
| FULL FORM | Contraction | ANSWER | Question |
| indicative present | indicative past tense |
| I investigate | I investigated |
| you investigate | you investigated |
| he/she/it investigates | he/she/it investigated |
| we investigate | we investigated |
| you investigate | you investigated |
| they investigate | they investigated |
| indicative present continuous | indicative past tense continuous |
| I am investigating | I was investigating |
| you are investigating | you were investigating |
| he/she/it is investigating | he/she/it was investigating |
| we are investigating | we were investigating |
| you are investigating | you were investigating |
| they are investigating | they were investigating |
| indicative present perfect | indicatif past perfect |
| I have investigated | I had investigated |
| you have investigated | you had investigated |
| he/she/it has investigated | he/she/it had investigated |
| we have investigated | we had investigated |
| you have investigated | you had investigated |
| they have investigated | they had investigated |
| indicative present perfect cont. | indicative past perfect cont. |
| I have been investigating | I had been investigating |
| you have been investigating | you had been investigating |
| he/she/it has been investigating | he/she/it had been investigating |
| we have been investigating | we had been investigating |
| you have been investigating | you had been investigating |
| they have been investigating | they had been investigating |
| indicative future | indicative future perfect |
| I shall/will investigate | I shall/will have investigated |
| you will investigate | you will have investigated |
| he/she/it will investigate | he/she/it will have investigated |
| we shall/will investigate | we shall/will have investigated |
| you will investigate | you will have investigated |
| they will investigate | they will have investigated |
| indicative future continuous | indicative future perfect cont. |
| I shall/will be investigating | I shall/will have been investigating |
| you will be investigating | you will have been investigating |
| he/she/it will be investigating | he/she/it will have been investigating |
| we shall/will be investigating | we shall/will have been investigating |
| you will be investigating | you will have been investigating |
| they will be investigating | they will have been investigating |
| conditional present | conditional perfect |
| I should/would investigate | I should/would have investigated |
| you would investigate | you would have investigated |
| he/she/it would investigate | he/she/it would have investigated |
| we should/would investigate | we should/would have investigated |
| you would investigate | you would have investigated |
| they would investigate | they would have investigated |
| conditional present cont. | conditional perfect cont. |
| I should/would be investigating | I should/would have been investigating |
| you would be investigating | you would have been investigating |
| he/she/it would be investigating | he/she/it would have been investigating |
| we should/would be investigating | we should/would have been investigating |
| you would be investigating | you would have been investigating |
| they would be investigating | they would have been investigating |
| subjunctive present | subjunctive past tense |
| that I investigate | that I investigated |
| that you investigate | that you investigated |
| that he/she/it investigate | that he/she/it investigated |
| that we investigate | that we investigated |
| that you investigate | that you investigated |
| that they investigate | that they investigated |
| subjunctive present continuous | subjunctive past tense continuous |
| that I be investigating | that I were investigating |
| that you be investigating | that you were investigating |
| that he/she/it be investigating | that he/she/it were investigating |
| that we be investigating | that we were investigating |
| that you be investigating | that you were investigating |
| that they be investigating | that they were investigating |
| subjunctive present perfect | subjunctive future |
| that I have investigated | that I were to investigate |
| that you have investigated | that you were to investigate |
| that he/she/it have investigated | that he/she/it were to investigate |
| that we have investigated | that we were to investigate |
| that you have investigated | that you were to investigate |
| that they have investigated | that they were to investigate |
| subjunctive present perfect continuous | subjunctive future continuous |
| that I have been investigating | that I were to be investigating |
| that you have been investigating | that you were to be investigating |
| that he/she/it have been investigating | that he/she/it were to be investigating |
| that we have been investigating | that we were to be investigating |
| that you have been investigating | that you were to be investigating |
| that they have been investigating | that they were to be investigating |
| imperative present | imperative past |
| let me investigate | let me have investigated |
| investigate | have investigated |
| let him/her/it investigate | let him/her/it have investigated |
| let us investigate | let us have investigated |
| investigate | have investigated |
| let them investigate | let them have investigated |
| infinitive | participle |
| to investigate | investigating |
| to have investigated | investigated |
A quick overview of the irregular English verbs you get in the table.
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