| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [am/are] [v-ing] | 9766 |
|
| 2 | [am/are] [v-ing] be | 976 |
|
| 3 | they [am/are] be | 565 |
|
| 4 | they [v-ing] be | 5 |
|
