| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [verb] at the rate | 15 |
|
| 2 | [am/are] [v-ing] at the rate | 12 |
|
| 3 | [am/are] collapse at the rate | 5 |
|
| 4 | [am/are] collapsing at the rate | 5 |
|
