| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [prep] | 9735 |
|
| 2 | [vb past] [prep] [v-ing] | 5703 |
|
| 3 | it [prep] [v-ing] | 1118 |
|
| 4 | [vb past] it [v-ing] | 234 |
|
