| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been waiting for a | 9 |
|
| 2 | [pers pn] have been waiting for a | 8 |
|
| 3 | have been waiting for a [noun sg] | 10 |
|
| 4 | have been waiting for a [noun] | 10 |
|
