| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] rate [prep] [noun sg] have been | 8 |
|
| 2 | [adj] rate of [noun sg] [verb] been | 8 |
|
| 3 | [adj] rate [prep] [noun sg] [verb] been | 6 |
|
| 4 | [adj] rate [prep] [noun sg] [vb -s] been | 6 |
|
| 5 | [adj] rate [prep] [noun sg] has been | 6 |
|
