| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] [adj] period | 14 |
|
| 2 | have be [verb] [prep] [det] period | 14 |
|
| 3 | have be [vb pp] [prep] [adj] period | 12 |
|
| 4 | have be [verb] [prep] this period | 8 |
|
| 5 | have be [verb] [prep] this period | 8 |
|
| 6 | have be [verb] during [adj] period | 7 |
|
| 7 | has be [verb] [prep] [adj] period | 5 |
|
