| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [verb] two [noun] | 12 |
|
| 2 | when [verb] two [noun pl] | 11 |
|
| 3 | when [v-ing] two [noun] | 10 |
|
| 4 | when compare two [noun] | 6 |
|
| 5 | when comparing two [noun] | 6 |
|
