| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [be] talking | 16 |
|
| 2 | they [vb past] been talking | 16 |
|
| 3 | they [vb past] be talking | 16 |
|
| 4 | they [vb past] [been] talking | 16 |
|
| 5 | they had [be] talking | 12 |
|
