| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [vb infin] [noun] | 2235 |
|
| 2 | they [vb mod] [vb infin] [noun] | 2235 |
|
| 3 | [pron] must [vb infin] [noun] | 1040 |
|
| 4 | they must [vb infin] [noun] | 93 |
|
| 5 | they must [verb] [noun] | 93 |
|
