| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] a [noun] | 22968 |
|
| 2 | [prep] [noun prp] [prep] a [noun] | 3516 |
|
| 3 | [prep] london [prep] [art] [noun] | 408 |
|
| 4 | [prep] london [prep] a [noun] | 130 |
|
