| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [adj] [noun sg] | 700 |
|
| 2 | heading [prep] a [adj] [noun sg] | 49 |
|
| 3 | be heading [prep] a [adj] | 14 |
|
| 4 | be heading [prep] a [noun sg] | 8 |
|
