| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] an | 2251 |
|
| 2 | [prep] an [adj -er] | 1070 |
|
| 3 | [to-vb] [prep] [adj -er] | 534 |
|
| 4 | [to-vb] an [adj -er] | 40 |
|
