| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [verb] [to-vb] a | 434 |
|
| 2 | then i [modal v] [verb] [to-vb] | 80 |
|
| 3 | then i [modal v] [verb] a | 47 |
|
| 4 | then i [verb] [to-vb] a | 12 |
|
