| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] heading [prep] a [adj] [noun sg] | 10 |
|
| 2 | be heading [prep] a [adj] [noun sg] | 10 |
|
| 3 | [be] heading for a [adj] [noun sg] | 9 |
|
| 4 | [be] heading for a [adj] [noun sg] | 9 |
|
