| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been playing a | 12 |
|
| 2 | [pers pn] have been playing a | 10 |
|
| 3 | [noun] have been playing a | 5 |
|
| 4 | have been playing [prep] a | 5 |
|
| 5 | have been playing [prep] a | 5 |
|
| 6 | have been playing a [noun] | 12 |
|
| 7 | have been playing a [noun sg] | 10 |
|
