| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [v-ing] [adv] [prep] | 261 |
|
| 2 | [det] has [been] [v-ing] [adv] | 14 |
|
| 3 | [det] has [been] [v-ing] [prep] | 13 |
|
| 4 | [det] has [been] [adv] [prep] | 10 |
|
