| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used for [det] [noun] | 61 |
|
| 2 | [modal v] be used for [det] [noun sg] | 38 |
|
| 3 | [modal v] be [verb] for [det] purpose | 37 |
|
| 4 | [modal v] be [vb pp] for [det] purpose | 37 |
|
| 5 | [modal v] be used for [det] purpose | 19 |
|
| 6 | [modal v] be used for [adj] purpose | 17 |
|
| 7 | [modal v] be used [prep] [det] purpose | 17 |
|
| 8 | [modal v] [be] used for [det] purpose | 17 |
|
| 9 | [modal v] be used [prep] [det] purpose | 17 |
|
| 10 | [modal v] be use for [det] purpose | 17 |
|
| 11 | [modal v] be used for [det] purpose | 17 |
|
