be concerned

• I concern
• you concern
• you concern
• he/she/it concerns
• we concern
• they concern

• I concerned
• you concerned
• you concerned
• he/she/it concerned
• we concerned
• they concerned

• I am concerning
• you are concerning
• you are concerning
• he/she/it is concerning
• we are concerning
• they are concerning

• I have concerned
• you have concerned
• you have concerned
• he/she/it has concerned
• we have concerned
• they have concerned

• I will concern
• you will concern
• you will concern
• he/she/it will concern
• we will concern
• they will concern

• I will have concerned
• you will have concerned
• you will have concerned
• he/she/it will have concerned
• we will have concerned
• they will have concerned

• I was concerning
• you were concerning
• you were concerning
• he/she/it was concerning
• we were concerning
• they were concerning

• I had concerned
• you had concerned
• you had concerned
• he/she/it had concerned
• we had concerned
• they had concerned

• I will be concerning
• you will be concerning
• you will be concerning
• he/she/it will be concerning
• we will be concerning
• they will be concerning

• I have been concerning
• you have been concerning
• you have been concerning
• he/she/it has been concerning
• we have been concerning
• they have been concerning

• I had been concerning
• you had been concerning
• you had been concerning
• he/she/it had been concerning
• we had been concerning
• they had been concerning

• I will have been concerning
• you will have been concerning
• you will have been concerning
• he/she/it will have been concerning
• we will have been concerning
• they will have been concerning

• concerning

• concerned

• having concerned