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 |
| 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 present perfect |
| I am investigating | I have investigated |
| you are investigating | you have investigated |
| he/she/it is investigating | he/she/it has investigated |
| we are investigating | we have investigated |
| you are investigating | you have investigated |
| they are investigating | they have investigated |
| infinitive present | imperative present |
| to investigate | investigate |
| let's investigate | |
| investigate |
| active | passive | affirmation | negation | |
| Full form | contraction | answer | question |
A quick overview of the irregular English verbs you get in the table.
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