| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [verb] a | 84 |
|
| 2 | it [prep] [v-ing] a | 81 |
|
| 3 | [pron] [prep] using a | 11 |
|
| 4 | it [prep] using [art] | 10 |
|
| 5 | it [prep] use a | 8 |
|
| 6 | it [prep] using a | 8 |
|
