| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they be [v-ing] to work | 9 |
|
| 2 | they [be] [v-ing] to work | 9 |
|
| 3 | they [be] going to work | 9 |
|
| 4 | they [am/are] [v-ing] to work | 6 |
|
