| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] an [noun] | 17171 |
|
| 2 | [verb] be [prep] [noun] | 4180 |
|
| 3 | [verb] be an [noun] | 1030 |
|
| 4 | be [prep] an [noun] | 885 |
|
| 5 | [verb] be [prep] an | 121 |
|
