| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [vb -s] [been] [v-ing] for a | 11 |
|
| 2 | [noun sg] [vb -s] been [v-ing] for a | 11 |
|
| 3 | [noun sg] [vb -s] be [v-ing] for a | 11 |
|
| 4 | [noun sg] has [be] [v-ing] for a | 9 |
|
