| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [be] a | 1851 |
|
| 2 | [prep] [noun sg] [to-vb] a | 1741 |
|
| 3 | [noun sg] [be] [to-vb] a | 1607 |
|
| 4 | [prep] [noun sg] [be] [to-vb] | 908 |
|
| 5 | [prep] [be] [to-vb] a | 27 |
|
