| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it when [pers pn] [be] [v-ing] | 56 |
|
| 2 | it when [pers pn] be [v-ing] | 56 |
|
| 3 | it when [pers pn] [was/were] [v-ing] | 30 |
|
| 4 | it when [pers pn] [am/are] [v-ing] | 24 |
|
| 5 | it when [pers pn] was [v-ing] | 22 |
|
| 6 | it when i [be] [v-ing] | 17 |
|
| 7 | it when you [be] [v-ing] | 16 |
|
| 8 | it when [pers pn] 're [v-ing] | 14 |
|
| 9 | it when [pers pn] [be] doing | 9 |
|
| 10 | it when [pers pn] were [v-ing] | 8 |
|
| 11 | it when we [be] [v-ing] | 7 |
|
| 12 | it when [pers pn] are [v-ing] | 6 |
|
