| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [verb] [adv] for a | 25 |
|
| 2 | then [verb] [adv prt] for a | 19 |
|
| 3 | then [vb base] [adv] for a | 8 |
|
| 4 | then [vb past] [adv] for a | 7 |
|
| 5 | then [verb] [adv] for a | 6 |
|
