| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] a [adj] | 174 |
|
| 2 | has [been] [v-ing] [prep] a | 94 |
|
| 3 | has [been] [v-ing] a [adj] | 72 |
|
| 4 | has [been] [v-ing] [prep] [adj] | 61 |
|
| 5 | has [been] [prep] a [adj] | 47 |
|
