| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be undergoing [adj] change | 13 |
|
| 2 | is undergoing [adj] [noun sg] | 13 |
|
| 3 | been undergoing [adj] [noun sg] | 8 |
|
| 4 | are undergoing [adj] [noun sg] | 8 |
|
| 5 | was undergoing [adj] [noun sg] | 6 |
|
