| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [prep] [noun] [prep] | 3690 |
|
| 2 | [be] an [noun] [prep] [noun] | 2052 |
|
| 3 | [be] [noun] [prep] [noun] [prep] | 1745 |
|
| 4 | [be] an [noun] [noun] [prep] | 352 |
|
| 5 | [be] an [noun] [prep] [prep] | 14 |
|
