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 do not investigate | I did not investigate |
| you do not investigate | you did not investigate |
| he/she/it does not investigate | he/she/it did not investigate |
| we do not investigate | we did not investigate |
| you do not investigate | you did not investigate |
| they do not investigate | they did not investigate |
| indicative present continuous | indicative past tense continuous |
| I am not investigating | I was not investigating |
| you are not investigating | you were not investigating |
| he/she/it is not investigating | he/she/it was not investigating |
| we are not investigating | we were not investigating |
| you are not investigating | you were not investigating |
| they are not investigating | they were not investigating |
| indicative present perfect | indicatif past perfect |
| I have not investigated | I had not investigated |
| you have not investigated | you had not investigated |
| he/she/it has not investigated | he/she/it had not investigated |
| we have not investigated | we had not investigated |
| you have not investigated | you had not investigated |
| they have not investigated | they had not investigated |
| indicative present perfect cont. | indicative past perfect cont. |
| I have not been investigating | I had not been investigating |
| you have not been investigating | you had not been investigating |
| he/she/it has not been investigating | he/she/it had not been investigating |
| we have not been investigating | we had not been investigating |
| you have not been investigating | you had not been investigating |
| they have not been investigating | they had not been investigating |
| indicative future | indicative future perfect |
| I shall/will not investigate | I shall/will not have investigated |
| you will not investigate | you will not have investigated |
| he/she/it will not investigate | he/she/it will not have investigated |
| we shall/will not investigate | we shall/will not have investigated |
| you will not investigate | you will not have investigated |
| they will not investigate | they will not have investigated |
| indicative future continuous | indicative future cont. |
| I shall/will not be investigating | I shall/will not have been investigating |
| you will not be investigating | you will not have been investigating |
| he/she/it will not be investigating | he/she/it will not have been investigating |
| we shall/will not be investigating | we shall/will not have been investigating |
| you will not be investigating | you will not have been investigating |
| they will not be investigating | they will not have been investigating |
| conditional present | conditional perfect |
| I should/would not investigate | I should/would not have investigated |
| you would not investigate | you would not have investigated |
| he/she/it would not investigate | he/she/it would not have investigated |
| we should/would not investigate | we should/would not have investigated |
| you would not investigate | you would not have investigated |
| they would not investigate | they would not have investigated |
| conditional present cont. | conditional perfect cont. |
| I should/would not be investigating | I should/would not have been investigating |
| you would not be investigating | you would not have been investigating |
| he/she/it would not be investigating | he/she/it would not have been investigating |
| we should/would not be investigating | we should/would not have been investigating |
| you would not be investigating | you would not have been investigating |
| they would not be investigating | they would not have been investigating |
| subjunctive present | subjunctive past tense |
| that I not investigate | that I not investigated |
| that you not investigate | that you not investigated |
| that he/she/it not investigate | that he/she/it not investigated |
| that we not investigate | that we not investigated |
| that you not investigate | that you not investigated |
| that they not investigate | that they not investigated |
| subjunctive present continuous | subjunctive past tense continuous |
| that I not be investigating | that I not were investigating |
| that you not be investigating | that you not were investigating |
| that he/she/it not be investigating | that he/she/it not were investigating |
| that we not be investigating | that we not were investigating |
| that you not be investigating | that you not were investigating |
| that they not be investigating | that they not were investigating |
| subjunctive future | subjunctive future continuous |
| that I not were to investigate | that I not were to be investigating |
| that you not were to investigate | that you not were to be investigating |
| that he/she/it not were to investigate | that he/she/it not were to be investigating |
| that we not were to investigate | that we not were to be investigating |
| that you not were to investigate | that you not were to be investigating |
| that they not were to investigate | that they not were to be investigating |
| imperative present | imperative past |
| do not let me investigate | do not let me have investigated |
| do not investigate | do not have investigated |
| do not let him/her/it investigate | do not let him/her/it have investigated |
| do not let us investigate | do not let us have investigated |
| do not investigate | do not have investigated |
| do not let them investigate | do not let them have investigated |
| infinitive | participle |
| not to investigate | not investigating |
| not to have investigated | not investigated |
A quick overview of the irregular English verbs you get in the table.
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