| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [noun] [be] [verb] [prep] | 737 |
|
| 2 | when [noun] [be] [v-ing] [prep] | 85 |
|
| 3 | [conj] [noun] [be] talking [prep] | 61 |
|
| 4 | when [noun] [be] talk [prep] | 12 |
|
