| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be heading [prep] a [noun] | 47 |
|
| 2 | be heading [prep] a [noun sg] | 44 |
|
| 3 | be heading for a [noun] | 40 |
|
| 4 | be heading for a [noun] | 40 |
|
| 5 | is heading [prep] a [noun] | 11 |
|
| 6 | be heading [prep] a [noun] | 11 |
|
| 7 | was heading [prep] a [noun] | 10 |
|
| 8 | are heading [prep] a [noun] | 8 |
|
