| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] i [be] [v-ing] | 2395 |
|
| 2 | then [pron] [be] [v-ing] | 711 |
|
| 3 | then [pers pn] [be] [v-ing] | 676 |
|
| 4 | then i [be] [verb] | 220 |
|
| 5 | then i [be] [v-ing] | 142 |
|
