| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] when it be | 325 |
|
| 2 | [verb] when it [be] | 325 |
|
| 3 | [verb] when it [be] | 323 |
|
| 4 | [verb] when it [is] | 183 |
|
| 5 | [verb] when it [was/were] | 142 |
|
| 6 | [verb] when it was | 141 |
|
| 7 | [vb pp] when it [be] | 137 |
|
| 8 | [verb] when it is | 131 |
|
| 9 | [verb] when it 's | 52 |
|
| 10 | [vb past] when it [be] | 50 |
|
| 11 | [vb -s] when it [be] | 34 |
|
| 12 | [vb infin] when it [be] | 34 |
|
| 13 | [to-vb] when it [be] | 29 |
|
| 14 | [v-ing] when it [be] | 22 |
|
| 15 | [vb base] when it [be] | 19 |
|
| 16 | do when it [be] | 14 |
|
| 17 | happen when it [be] | 11 |
|
| 18 | come when it [be] | 8 |
|
| 19 | say when it [be] | 7 |
|
| 20 | happens when it [be] | 7 |
|
| 21 | mean when it [be] | 6 |
|
