| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] for [art] | 125 |
|
| 2 | [modal v] be used for [art] | 116 |
|
| 3 | may be used [prep] [art] | 111 |
|
| 4 | may be used [prep] [art] | 111 |
|
| 5 | may be [vb pp] for [art] | 106 |
|
| 6 | may be used for [art] | 12 |
|
| 7 | may [be] used for [art] | 12 |
|
| 8 | may be used for [art] | 12 |
|
| 9 | may be use for [art] | 12 |
|
| 10 | may [be] used for [art] | 12 |
|
| 11 | may be used for [art] | 12 |
|
