| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used for [adj] purpose | 129 |
|
| 2 | [am/are] used for [adj] [noun] | 53 |
|
| 3 | [am/are] [verb] for [adj] purpose | 44 |
|
| 4 | [am/are] [vb pp] for [adj] purpose | 42 |
|
| 5 | [am/are] used [prep] [adj] purpose | 17 |
|
| 6 | [am/are] used for [adj] purpose | 17 |
|
| 7 | [am/are] used [prep] [adj] purpose | 17 |
|
| 8 | [am/are] use for [adj] purpose | 17 |
|
