| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [pron] [verb] | 22602 |
|
| 2 | a [noun] [pron] [vb -s] | 8097 |
|
| 3 | [art] [noun] [pron] happens | 46 |
|
| 4 | a [noun] [pron] happen | 43 |
|
