| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [modal v] have been [adj] | 1949 |
|
| 2 | [pron] [modal v] have been easy | 64 |
|
| 3 | [pers pn] [modal v] have [been] easy | 60 |
|
| 4 | [pers pn] [modal v] [verb] been easy | 60 |
|
| 5 | [pers pn] [modal v] have [be] easy | 60 |
|
| 6 | [pers pn] [modal v] have be easy | 60 |
|
