| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adj] [noun sg] | 2431 |
|
| 2 | undergoing [adj] [noun sg] | 110 |
|
| 3 | been undergoing [adj] | 10 |
|
| 4 | been undergoing [noun sg] | 6 |
|
