| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] been [verb] on | 27 |
|
| 2 | [vb mod] [verb] been base on | 11 |
|
| 3 | [modal v] [verb] been base on | 11 |
|
| 4 | may [verb] been base [prep] | 6 |
|
| 5 | may [verb] been base [prep] | 6 |
|
| 6 | may [verb] be base on | 5 |
|
| 7 | may [verb] [been] base on | 5 |
|
| 8 | may [verb] [be] base on | 5 |
|
| 9 | may [verb] been base on | 5 |
|
| 10 | may [verb] been base on | 5 |
|
