| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [pron] [prep] [art] | 312 |
|
| 2 | [v-ing] [pron] [prep] [art] first | 102 |
|
| 3 | [am/are] [v-ing] [prep] [art] first | 24 |
|
