| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv prt] [prep] a [noun] | 762 |
|
| 2 | be [adv prt] [prep] [det] [noun] | 331 |
|
| 3 | [adv prt] [prep] a [det] [noun] | 319 |
|
| 4 | be [prep] a [det] [noun] | 61 |
|
| 5 | be [adv prt] [prep] a [det] | 29 |
|
