| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] [adv] [been] [v-ing] to | 19 |
|
| 2 | i [vb base] [adv] be [v-ing] to | 19 |
|
| 3 | i [vb base] [adv] been [v-ing] to | 19 |
|
| 4 | i [vb base] [adv] [be] [v-ing] to | 19 |
|
