| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [verb] [prep] some time | 44 |
|
| 2 | [vb -s] been [verb] [prep] some time | 44 |
|
| 3 | [vb -s] [been] [verb] [prep] some time | 43 |
|
| 4 | [vb -s] [been] [verb] for some time | 41 |
|
| 5 | has [been] [verb] [prep] some time | 40 |
|
| 6 | [vb -s] [been] [vb pp] [prep] some time | 29 |
|
| 7 | [vb -s] [been] [v-ing] [prep] some time | 15 |
|
| 8 | [vb -s] [been] known [prep] some time | 11 |
|
| 9 | [vb -s] [been] know [prep] some time | 11 |
|
| 10 | [vb -s] [been] recognised [prep] some time | 5 |
|
| 11 | [vb -s] [been] recognise [prep] some time | 5 |
|
