| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [prep] a few | 14 |
|
| 2 | it [vb past] [prep] a [det] | 8 |
|
| 3 | it [verb] for a [det] | 8 |
|
| 4 | it [vb infin] [prep] a [det] | 5 |
|
