| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | begin [to-vb] up [art] [noun] | 63 |
|
| 2 | had begin [to-vb] [art] [noun] | 55 |
|
| 3 | had [to-vb] up [art] [noun] | 49 |
|
| 4 | had begin [to-vb] up [art] | 6 |
|
