| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i be [v-ing] [prep] | 8806 |
|
| 2 | be [v-ing] [prep] a | 6866 |
|
| 3 | i be [v-ing] a | 1053 |
|
| 4 | i be [prep] a | 649 |
|
| 5 | i [v-ing] [prep] a | 9 |
|
