| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [prep] [adj] [noun] | 1839 |
|
| 2 | be used [prep] [adj] [noun sg] | 879 |
|
| 3 | be [verb] [prep] [adj] purpose | 132 |
|
| 4 | be used [prep] [adj] purpose | 130 |
|
| 5 | be [vb pp] [prep] [adj] purpose | 129 |
|
| 6 | be use [prep] [adj] purpose | 58 |
|
| 7 | be used [prep] [adj] purpose | 58 |
|
| 8 | [be] used [prep] [adj] purpose | 58 |
|
