| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [adj] [noun] | 607 |
|
| 2 | heading [prep] a [adj] [noun] | 44 |
|
| 3 | be heading [prep] a [adj] | 13 |
|
| 4 | be heading [prep] a [noun] | 11 |
|
