| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [v-ing] and | 131 |
|
| 2 | it was [v-ing] and | 50 |
|
| 3 | it is [v-ing] and | 42 |
|
| 4 | it 's [v-ing] and | 37 |
|
| 5 | it be raining and | 30 |
|
| 6 | it be happening and | 8 |
|
| 7 | it be doing and | 6 |
|
| 8 | it be going and | 5 |
|
