| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] a [noun] | 1651 |
|
| 2 | it [vb past] a [noun sg] | 1599 |
|
| 3 | [pron] [vb past] a while | 55 |
|
| 4 | [pers pn] [vb past] a while | 52 |
|
| 5 | it [verb] a while | 40 |
|
| 6 | it [vb past] [art] while | 24 |
|
| 7 | it [vb past] a while | 24 |
|
| 8 | it [vb past] a while | 24 |
|
| 9 | it [vb past] a while | 24 |
|
| 10 | it [vb past] [art] while | 24 |
|
