| Base Form | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| concern (be concerned) | concerned (was concerned) | concerned (been concerned) | concerning (being concerned) |
| INDICATIVE | ||
|---|---|---|
| PRESENT SIMPLE | PAST SIMPLE | FUTURE SIMPLE |
| I concern | I concerned | I will concern |
| you concern | you concerned | you will concern |
| he/she/it concerns | he/she/it concerned | he/she/it will concern |
| we concern | we concerned | we will concern |
| you concern | you concerned | you will concern |
| they concern | they concerned | they will concern |
| PRESENT CONTINUOUS | PAST CONTINUOUS | FUTURE CONTINUOUS |
| I am concerning | I was concerning | I will be concerning |
| you are concerning | you were concerning | you will be concerning |
| he/she/it is concerning | he/she/it was concerning | he/she/it will be concerning |
| we are concerning | we were concerning | we will be concerning |
| you are concerning | you were concerning | you will be concerning |
| they are concerning | they were concerning | they will be concerning |
| PRESENT PERFECT | PAST PERFECT | FUTURE PERFECT |
| I have concerned | I had concerned | I will have concerned |
| you have concerned | you had concerned | you will have concerned |
| he/she/it has concerned | he/she/it had concerned | he/she/it will have concerned |
| we have concerned | we had concerned | we will have concerned |
| you have concerned | you had concerned | you will have concerned |
| they have concerned | they had concerned | they will have concerned |
| PRESENT PERFECT CONTINUOUS | PAST PERFECT CONTINUOUS | FUTURE PERFECT CONTINUOUS |
| I have been concerning | I had been concerning | I will have been concerning |
| you have been concerning | you had been concerning | you will have been concerning |
| he/she/it has been concerning | he/she/it had been concerning | he/she/it will have been concerning |
| we have been concerning | we had been concerning | we will have been concerning |
| you have been concerning | you had been concerning | you will have been concerning |
| they have been concerning | they had been concerning | they will have been concerning |
| CONDITIONAL | ||
| CONDITIONAL PRESENT | CONDITIONAL PERFECT | |
| I would concern | I would have concerned | |
| you would concern | you would have concerned | |
| he/she/it would concern | he/she/it would have concerned | |
| we would concern | we would have concerned | |
| you would concern | you would have concerned | |
| they would concern | they would have concerned | |
| CONDITIONAL PRESENT PROGRESSIVE | CONDITIONAL PERFECT PROGRESSIVE | |
| I would be concerning | I would have been concerning | |
| you would be concerning | you would have been concerning | |
| he/she/it would be concerning | he/she/it would have been concerning | |
| we would be concerning | we would have been concerning | |
| you would be concerning | you would have been concerning | |
| they would be concerning | they would have been concerning | |
| SUBJUNCTIVE | ||
| PRESENT SUBJUNCTIVE | PAST SUBJUNCTIVE | PAST PERFECT SUBJUNCTIVE |
| (that) I concern | (that) I concerned | (that) I had concerned |
| (that) you concern | (that) you concerned | (that) you had concerned |
| (that) he/she/it concern | (that) he/she/it concerned | (that) he/she/it had concerned |
| (that) we concern | (that) we concerned | (that) we had concerned |
| (that) you concern | (that) you concerned | (that) you had concerned |
| (that) they concern | (that) they concerned | (that) they had concerned |
| IMPERATIVE | ||
| (you) concern | ||
| (we) let's concern | ||
| (you) concern | ||
| INDICATIVE | ||
|---|---|---|
| PRESENT SIMPLE | PAST SIMPLE | FUTURE SIMPLE |
| I am concerned | I was concerned | I will be concerned |
| you are concerned | you were concerned | you will be concerned |
| he/she/it is concerned | he/she/it was concerned | he/she/it will be concerned |
| we are concerned | we were concerned | we will be concerned |
| you are concerned | you were concerned | you will be concerned |
| they are concerned | they were concerned | they will be concerned |
| PRESENT CONTINUOUS | PAST CONTINUOUS | FUTURE CONTINUOUS |
| I am being concerned | I was being concerned | I will be being concerned |
| you are being concerned | you were being concerned | you will be being concerned |
| he/she/it is being concerned | he/she/it was being concerned | he/she/it will be being concerned |
| we are being concerned | we were being concerned | we will be being concerned |
| you are being concerned | you were being concerned | you will be being concerned |
| they are being concerned | they were being concerned | they will be being concerned |
| PRESENT PERFECT | PAST PERFECT | FUTURE PERFECT |
| I have been concerned | I had been concerned | I will have been concerned |
| you have been concerned | you had been concerned | you will have been concerned |
| he/she/it has been concerned | he/she/it had been concerned | he/she/it will have been concerned |
| we have been concerned | we had been concerned | we will have been concerned |
| you have been concerned | you had been concerned | you will have been concerned |
| they have been concerned | they had been concerned | they will have been concerned |
| PRESENT PERFECT CONTINUOUS | PAST PERFECT CONTINUOUS | FUTURE PERFECT CONTINUOUS |
| I have been being concerned | I had been being concerned | I will have been being concerned |
| you have been being concerned | you had been being concerned | you will have been being concerned |
| he/she/it has been being concerned | he/she/it had been being concerned | he/she/it will have been being concerned |
| we have been being concerned | we had been being concerned | we will have been being concerned |
| you have been being concerned | you had been being concerned | you will have been being concerned |
| they have been being concerned | they had been being concerned | they will have been being concerned |
| CONDITIONAL | ||
| CONDITIONAL PRESENT | CONDITIONAL PERFECT | |
| I would be concerned | I would have been concerned | |
| you would be concerned | you would have been concerned | |
| he/she/it would be concerned | he/she/it would have been concerned | |
| we would be concerned | we would have been concerned | |
| you would be concerned | you would have been concerned | |
| they would be concerned | they would have been concerned | |
| CONDITIONAL PRESENT PROGRESSIVE | CONDITIONAL PERFECT PROGRESSIVE | |
| I would be being concerned | I would have been being concerned | |
| you would be being concerned | you would have been being concerned | |
| he/she/it would be being concerned | he/she/it would have been being concerned | |
| we would be being concerned | we would have been being concerned | |
| you would be being concerned | you would have been being concerned | |
| they would be being concerned | they would have been being concerned | |
| SUBJUNCTIVE | ||
| PRESENT SUBJUNCTIVE | PAST SUBJUNCTIVE | PAST PERFECT SUBJUNCTIVE |
| (that) I be concerned | (that) I was concerned | (that) I had been concerned |
| (that) you be concerned | (that) you was concerned | (that) you had been concerned |
| (that) he/she/it be concerned | (that) he/she/it was concerned | (that) he/she/it had been concerned |
| (that) we be concerned | (that) we was concerned | (that) we had been concerned |
| (that) you be concerned | (that) you was concerned | (that) you had been concerned |
| (that) they be concerned | (that) they was concerned | (that) they had been concerned |
| IMPERATIVE | ||
| (you) be concerned | ||
| (we) let's be concerned | ||
| (you) be concerned | ||