| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] a [adj] | 649 |
|
| 2 | [verb] been [v-ing] a [adj] | 268 |
|
| 3 | [verb] been undergoing a [adj] | 7 |
|
| 4 | [verb] been undergoing [art] [adj] | 7 |
|
| 5 | [verb] been undergoing a [adj] | 7 |
|
| 6 | [verb] been undergoing [art] [adj] | 7 |
|
| 7 | [verb] be undergoing a [adj] | 7 |
|
| 8 | [verb] been undergo a [adj] | 7 |
|
| 9 | [verb] [be] undergoing a [adj] | 7 |
|
| 10 | [verb] [been] undergoing a [adj] | 7 |
|
