| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [prep] [verb] | 418 |
|
| 2 | it was [prep] [v-ing] | 381 |
|
| 3 | it [be] [prep] having | 58 |
|
| 4 | it be [prep] having | 58 |
|
| 5 | it was [prep] have | 25 |
|
| 6 | [pron] was [prep] having | 24 |
|
| 7 | it [was/were] [prep] having | 20 |
|
