| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been driving for | 10 |
|
| 2 | [pron] have been driving for | 10 |
|
| 3 | have been driving for [adj] | 6 |
|
| 4 | have been driving for [noun] | 6 |
|
| 5 | have been driving for [noun pl] | 5 |
|
