| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's been [verb] for | 175 |
|
| 2 | 's been [v-ing] for | 110 |
|
| 3 | have been travelling for | 14 |
|
| 4 | [verb] been travelling for | 14 |
|
| 5 | 's been travelling [prep] | 11 |
|
| 6 | 's been travelling [prep] | 11 |
|
| 7 | [vb -s] been travelling for | 11 |
|
| 8 | 's [be] travelling for | 10 |
|
| 9 | 's been travelling for | 10 |
|
| 10 | 's be travelling for | 10 |
|
| 11 | 's been travel for | 10 |
|
| 12 | 's [been] travelling for | 10 |
|
