| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have [adv] been [adv] concerned | 5 |
|
| 2 | [noun sg] have [adv] be [adv] concerned | 5 |
|
| 3 | [noun sg] has [adv] be [adv] concerned | 5 |
|
| 4 | [noun sg] have [adv] be [adv] concerned | 5 |
|
