| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used for [adj] [noun] | 584 |
|
| 2 | [be] [verb] for [adj] purpose | 289 |
|
| 3 | [be] [vb pp] for [adj] purpose | 286 |
|
| 4 | [be] used [prep] [adj] purpose | 130 |
|
| 5 | [be] used [prep] [adj] purpose | 130 |
|
| 6 | [be] used for [adj] purpose | 129 |
|
| 7 | [be] use for [adj] purpose | 129 |
|
