| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [noun sg] | 26776 |
|
| 2 | when a [noun sg] | 3107 |
|
| 3 | [vb -s] when a | 114 |
|
| 4 | [vb -s] when [noun sg] | 84 |
|
