| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [adv] [to-vb] | 173 |
|
| 2 | an [noun sg] [adv] [to-vb] | 172 |
|
| 3 | an undertaking [adv] [verb] | 11 |
|
| 4 | [art] undertaking [adv] [to-vb] | 11 |
|
| 5 | [art] undertaking [adv] [to-vb] | 11 |
|
| 6 | an undertaking [adv] [to-vb] | 9 |
|
| 7 | a undertaking [adv] [to-vb] | 9 |
|
