| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it be [v-ing] [noun] | 9 |
|
| 2 | when it be [v-ing] [noun] | 9 |
|
| 3 | when it be [v-ing] [noun sg] | 6 |
|
| 4 | when it is [v-ing] [noun] | 5 |
|
