| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] [subord] a [noun sg] | 755 |
|
| 2 | be [det] [subord] a [noun sg] | 200 |
|
| 3 | [prep] be [det] a [noun sg] | 44 |
|
| 4 | [prep] be [det] [subord] a | 31 |
|
| 5 | [prep] be [det] [subord] [noun sg] | 9 |
|
