| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when a [noun sg] [prep] | 543 |
|
| 2 | a [noun sg] was [prep] | 282 |
|
| 3 | when a [noun sg] was | 150 |
|
| 4 | when [noun sg] was [prep] | 23 |
|
