| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [am/are] [v-ing] [prep] be | 351 |
|
| 2 | [am/are] [v-ing] [prep] be [v-ing] | 174 |
|
| 3 | i [am/are] [v-ing] [prep] [v-ing] | 101 |
|
| 4 | i [am/are] [v-ing] be [v-ing] | 10 |
|
