| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [be] [v-ing] [art] | 501 |
|
| 2 | has [be] [v-ing] since | 51 |
|
| 3 | [be] [v-ing] since [art] | 42 |
|
| 4 | has [be] since [art] | 7 |
|
