| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] covered by [art] [noun pl] | 5 |
|
| 2 | [am/are] covered by the [noun pl] | 5 |
|
| 3 | [am/are] covered by the [noun pl] | 5 |
|
| 4 | are covered by [art] [noun pl] | 5 |
|
