| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] is [verb] | 1486 |
|
| 2 | then is [verb] | 56 |
|
| 3 | [to-vb] then [verb] | 31 |
|
| 4 | [to-vb] then is | 12 |
|
