| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] a [noun sg] | 2456 |
|
| 2 | [pron] once a [noun sg] | 63 |
|
| 3 | [vb base] once a [noun sg] | 36 |
|
| 4 | [vb base] [pron] once a | 17 |
|
