| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] [v-ing] | 19925 |
|
| 2 | they [be] [v-ing] | 15889 |
|
| 3 | they have [be] | 5380 |
|
| 4 | they have [v-ing] | 13 |
|
