Vervoeging van concern
Onbepaalde wijs (infinitief): to concern
Present
- I concern
- you concern
- he/she/it concerns
- we concern
- you concern
- they concern
Present continuous
- I am concerning
- you are concerning
- he/she/it is concerning
- we are concerning
- you are concerning
- they are concerning
Simple past
- I concerned
- you concerned
- he/she/it concerned
- we concerned
- you concerned
- they concerned
Past continuous
- I was concerning
- you were concerning
- he/she/it was concerning
- we were concerning
- you were concerning
- they were concerning
Present perfect
- I have concerned
- you have concerned
- he/she/it has concerned
- we have concerned
- you have concerned
- they have concerned
Present perfect continuous
- I have been concerning
- you have been concerning
- he/she/it has been concerning
- we have been concerning
- you have been concerning
- they have been concerning
Past perfect
- I had concerned
- you had concerned
- he/she/it had concerned
- we had concerned
- you had concerned
- they had concerned
Past perfect continuous
- I had been concerning
- you had been concerning
- he/she/it had been concerning
- we had been concerning
- you had been concerning
- they had been concerning
Future
- I will concern
- you will concern
- he/she/it will concern
- we will concern
- you will concern
- they will concern
Future continuous
- I will be concerning
- you will be concerning
- he/she/it will be concerning
- we will be concerning
- you will be concerning
- they will be concerning
Future perfect
- I will have concerned
- you will have concerned
- he/she/it will have concerned
- we will have concerned
- you will have concerned
- they will have concerned
Future perfect continuous
- I will have been concerning
- you will have been concerning
- he/she/it will have been concerning
- we will have been concerning
- you will have been concerning
- they will have been concerning
Conditional present
- I would concern
- you would concern
- he/she/it would concern
- we would concern
- you would concern
- they would concern
Conditional perfect
- I would have concerned
- you would have concerned
- he/she/it would have concerned
- we would have concerned
- you would have concerned
- they would have concerned
Conditional present progressive
- I would be concerning
- you would be concerning
- he/she/it would be concerning
- we would be concerning
- you would be concerning
- they would be concerning
Conditional perfect progressive
- I would have been concerning
- you would have been concerning
- he/she/it would have been concerning
- we would have been concerning
- you would have been concerning
- they would have been concerning
Present subjunctive
- I concern
- you concern
- he/she/it concern
- we concern
- you concern
- they concern
Past subjunctive
- I concerned
- you concerned
- he/she/it concerned
- we concerned
- you concerned
- they concerned
Past perfect subjunctive
- I had concerned
- you had concerned
- he/she/it had concerned
- we had concerned
- you had concerned
- they had concerned
Imperative
- you concern
- we Let´s concern
- you concern
Present participle
- concerning