| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [verb] be | 990 |
|
| 2 | [conj] [modal v] [vb infin] be | 980 |
|
| 3 | [conj] [modal v] have be | 942 |
|
| 4 | [conj] [modal v] have [be] | 929 |
|
