| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [verb] a number of | 15 |
|
| 2 | it [adv] [verb] a number of | 15 |
|
| 3 | it [adv] [verb] a number [prep] | 15 |
|
| 4 | it [adv] [verb] a number [prep] | 15 |
|
