| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [v-ing] | 7136 |
|
| 2 | [be] [v-ing] [num] | 1957 |
|
| 3 | [vb past] [be] [num] | 683 |
|
| 4 | [vb past] [v-ing] [num] | 168 |
|
