| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [prep] [v-ing] | 381 |
|
| 2 | it was [v-ing] [to-vb] | 318 |
|
| 3 | it was [prep] [to-vb] | 35 |
|
| 4 | was [prep] [v-ing] [to-vb] | 34 |
|
| 5 | it [prep] [v-ing] [to-vb] | 33 |
|
