| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [is] | 2163 |
|
| 2 | [vb base] [to-vb] [is] | 1058 |
|
| 3 | have [verb] [is] | 695 |
|
| 4 | have [to-vb] [is] | 584 |
|
| 5 | have [to-vb] [be] | 472 |
|
