| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adj] | 137463 |
|
| 2 | was [adj] | 102616 |
|
| 3 | [be] concerned | 7627 |
|
| 4 | be concerned | 7627 |
|
| 5 | [was/were] concerned | 1951 |
|
| 6 | was concerned | 1258 |
|
