| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] when they [verb] [adv prt] | 16 |
|
| 2 | [vb base] when they [vb base] [adv prt] | 13 |
|
| 3 | [vb base] when they come [adv prt] | 6 |
|
