| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] may be [verb] [prep] [adj] | 442 |
|
| 2 | [noun pl] may be [vb pp] [prep] [adj] | 436 |
|
| 3 | [noun] may be caused [prep] [adj] | 14 |
|
| 4 | [noun pl] [vb mod] be caused [prep] [adj] | 11 |
|
| 5 | [noun pl] [modal v] be caused [prep] [adj] | 11 |
|
| 6 | [noun pl] may be caused [prep] [adj] | 6 |
|
| 7 | [noun pl] may be caused [prep] [adj] | 6 |
|
| 8 | [noun pl] may be cause [prep] [adj] | 6 |
|
| 9 | [noun pl] may [be] caused [prep] [adj] | 6 |
|
