| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [noun sg] | 31227 |
|
| 2 | often a [noun sg] | 406 |
|
| 3 | often [vb -s] a | 176 |
|
| 4 | often [vb -s] [noun sg] | 98 |
|
