| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [v-ing] for three | 14 |
|
| 2 | [vb -s] been [v-ing] for three | 14 |
|
| 3 | [vb -s] be [v-ing] for three | 14 |
|
| 4 | has [be] [v-ing] for three | 9 |
|
| 5 | 's [be] [v-ing] for three | 5 |
|
