| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used for [adj] [noun sg] | 102 |
|
| 2 | may be [verb] for [adj] [noun sg] | 60 |
|
| 3 | may be [vb pp] for [adj] [noun sg] | 59 |
|
| 4 | may be used [prep] [adj] [noun sg] | 18 |
|
| 5 | may be used [prep] [adj] [noun sg] | 18 |
|
| 6 | may be used for [adj] [noun] | 17 |
|
| 7 | may [be] used for [adj] [noun sg] | 9 |
|
| 8 | may be used for [adj] [noun sg] | 9 |
|
| 9 | may be use for [adj] [noun sg] | 9 |
|
