| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for | 6384 |
|
| 2 | been [v-ing] for | 1734 |
|
| 3 | be heading for | 304 |
|
| 4 | [be] heading for | 304 |
|
| 5 | been head for | 8 |
|
| 6 | been heading [prep] | 7 |
|
| 7 | [been] heading for | 7 |
|
| 8 | been heading for | 7 |
|
| 9 | been heading [prep] | 7 |
|
