| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] only [be] [verb] if | 215 |
|
| 2 | [vb mod] only [be] [vb pp] if | 214 |
|
| 3 | [vb mod] [adv] [be] undertaken if | 6 |
|
| 4 | [vb mod] only [be] undertaken if | 5 |
|
| 5 | [vb mod] only [be] undertaken [conj] | 5 |
|
| 6 | [vb mod] only [be] undertake if | 5 |
|
| 7 | [vb mod] only [be] undertaken if | 5 |
|
| 8 | [modal v] only [be] undertaken if | 5 |
|
| 9 | [vb mod] only [be] undertaken [subord] | 5 |
|
