| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] be concerned | 65 |
|
| 2 | [noun sg] [verb] [been] concerned | 57 |
|
| 3 | [noun sg] have [be] concerned | 57 |
|
| 4 | [noun sg] [verb] been concerned | 57 |
|
| 5 | [noun sg] [vb -s] [be] concerned | 48 |
|
| 6 | [noun sg] has [be] concerned | 47 |
|
| 7 | chapter [verb] [be] concerned | 8 |
|
| 8 | [noun sg] have [be] concerned | 7 |
|
| 9 | [noun sg] [vb base] [be] concerned | 7 |
|
| 10 | [noun sg] [verb] [is] concerned | 5 |
|
| 11 | [noun sg] [verb] is concerned | 5 |
|
