| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [det] be [v-ing] | 188 |
|
| 2 | [vb base] [det] be [v-ing] | 139 |
|
| 3 | [vb base] [det] [det] be | 37 |
|
| 4 | [vb base] [det] [det] [v-ing] | 9 |
|
