| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] [verb] | 2703 |
|
| 2 | [be] [to-vb] [conj] [verb] | 735 |
|
| 3 | be [to-vb] [conj] [verb] | 735 |
|
| 4 | [is] [to-vb] [conj] [verb] | 421 |
|
