| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [ex0] [vb mod] to [be] | 20 |
|
| 2 | then [ex0] [vb mod] to be | 20 |
|
| 3 | then there [vb mod] to [be] | 20 |
|
| 4 | then [ex0] used to [be] | 19 |
|
