| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when he [modal v] [adv] | 29 |
|
| 2 | when he [vb mod] [adv] | 29 |
|
| 3 | when he could [adv] | 18 |
|
| 4 | when he could [adv] | 18 |
|
| 5 | when he would [adv] | 6 |
|
| 6 | when he would [adv] | 5 |
|
