| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] an [adj] | 968 |
|
| 2 | [be] [to-vb] [prep] [adj] | 924 |
|
| 3 | [be] [prep] an [adj] | 914 |
|
| 4 | [be] [to-vb] an [adj] | 333 |
|
| 5 | [be] [to-vb] [prep] an | 100 |
|
