| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [be] | 21175 |
|
| 2 | [vb mod] [verb] [is] | 1944 |
|
| 3 | [vb mod] [vb infin] [is] | 1919 |
|
| 4 | [modal v] have [is] | 32 |
|
| 5 | [vb mod] have [is] | 32 |
|
