| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [art] [num] | 305 |
|
| 2 | [be] [v-ing] since [num] | 48 |
|
| 3 | [be] [v-ing] since [art] | 42 |
|
| 4 | [v-ing] since [art] [num] | 12 |
|
| 5 | [be] since [art] [num] | 9 |
|
