| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] that [noun] | 190 |
|
| 2 | [been] [verb] [prep] [adj] purpose | 34 |
|
| 3 | [be] [verb] [prep] that purpose | 20 |
|
| 4 | [been] [verb] [prep] [det] purpose | 14 |
|
| 5 | [been] [verb] [prep] that purpose | 6 |
|
