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 | nachweisen, untermauern |
| French | prouver, justifier |
| ACTIVE | Passive | Intro | AFFIRMATION | Negation |
| FULL FORM | Contraction | Answer | QUESTION |
| indicative present | indicative past tense |
| do I substantiate? | did I substantiate? |
| do you substantiate? | did you substantiate? |
| does he/she/it substantiate? | did he/she/it substantiate? |
| do we substantiate? | did we substantiate? |
| do you substantiate? | did you substantiate? |
| do they substantiate? | did they substantiate? |
| indicative present continuous | indicative past tense continuous |
| am I substantiating? | was I substantiating? |
| are you substantiating? | were you substantiating? |
| is he/she/it substantiating? | was he/she/it substantiating? |
| are we substantiating? | were we substantiating? |
| are you substantiating? | were you substantiating? |
| are they substantiating? | were they substantiating? |
| indicative present perfect | indicatif past perfect |
| have I substantiated? | had I substantiated? |
| have you substantiated? | had you substantiated? |
| has he/she/it substantiated? | had he/she/it substantiated? |
| have we substantiated? | had we substantiated? |
| have you substantiated? | had you substantiated? |
| have they substantiated? | had they substantiated? |
| indicative present perfect cont. | indicative past perfect cont. |
| have I been substantiating? | had I been substantiating? |
| have you been substantiating? | had you been substantiating? |
| has he/she/it been substantiating? | had he/she/it been substantiating? |
| have we been substantiating? | had we been substantiating? |
| have you been substantiating? | had you been substantiating? |
| have they been substantiating? | had they been substantiating? |
| indicative future | indicative future perfect |
| shall/will I substantiate? | shall/will I have substantiated? |
| will you substantiate? | will you have substantiated? |
| will he/she/it substantiate? | will he/she/it have substantiated? |
| shall/will we substantiate? | shall/will we have substantiated? |
| will you substantiate? | will you have substantiated? |
| will they substantiate? | will they have substantiated? |
| indicative future continuous | indicative future perfect cont. |
| shall/will I be substantiating? | shall/will I have been substantiating? |
| will you be substantiating? | will you have been substantiating? |
| will he/she/it be substantiating? | will he/she/it have been substantiating? |
| shall/will we be substantiating? | shall/will we have been substantiating? |
| will you be substantiating? | will you have been substantiating? |
| will they be substantiating? | will they have been substantiating? |
| conditional present | conditional perfect |
| should/would I substantiate? | should/would I have substantiated? |
| would you substantiate? | would you have substantiated? |
| would he/she/it substantiate? | would he/she/it have substantiated? |
| should/would we substantiate? | should/would we have substantiated? |
| would you substantiate? | would you have substantiated? |
| would they substantiate? | would they have substantiated? |
| conditional present cont. | conditional perfect cont. |
| should/would I be substantiating? | should/would I have been substantiating? |
| would you be substantiating? | would you have been substantiating? |
| would he/she/it be substantiating? | would he/she/it have been substantiating? |
| should/would we be substantiating? | should/would we have been substantiating? |
| would you be substantiating? | would you have been substantiating? |
| would they be substantiating? | would they have been substantiating? |
A quick overview of the irregular English verbs you get in the table.
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