| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] when the [noun sg] is | 68 |
|
| 2 | occurs when [art] [noun sg] is | 19 |
|
| 3 | happens when [art] [noun sg] is | 14 |
|
| 4 | [vb -s] when a [noun sg] is | 13 |
|
| 5 | arises when [art] [noun sg] is | 5 |
|
