| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [noun] [prep] [v-ing] | 648 |
|
| 2 | a long [noun] [prep] [v-ing] | 270 |
|
| 3 | [vb infin] a long [noun] [prep] | 115 |
|
