| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] the last [noun sg] | 14 |
|
| 2 | [been] [v-ing] [prep] the last [noun sg] | 14 |
|
| 3 | [been] [v-ing] for the last [noun sg] | 6 |
|
