| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [be] [v-ing] | 16251 |
|
| 2 | [vb base] [be] [v-ing] | 7085 |
|
| 3 | they [vb base] [be] | 3803 |
|
| 4 | they [vb base] [v-ing] | 746 |
|
