| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] take a while | 17 |
|
| 2 | it [vb mod] take a while | 17 |
|
| 3 | it [vb mod] [vb infin] a while | 17 |
|
| 4 | it [vb mod] [verb] a while | 17 |
|
| 5 | it will [verb] a while | 6 |
|
