| CONCERN - PRESENT SIMPLE | |
| ★ i | concern |
| ★ you | concern |
| ★ he/she/it | concerns |
| ★ we | concern |
| ★ you | concern |
| ★ they | concern |
| CONCERN - PRESENT CONTINUOUS | |
| ★ i am | concerning |
| ★ you are | concerning |
| ★ he/she/it is | concerning |
| ★ we are | concerning |
| ★you are | concerning |
| ★ they are | concerning |
| CONCERN - PRESENT PERFECT | |
| ★ i have | concerned |
| ★ you have | concerned |
| ★ he/she/it has | concerned |
| ★ we have | concerned |
| ★ you have | concerned |
| ★ they have | concerned |