| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] or [prep] | 27 |
|
| 2 | is [vb pp] or [prep] | 24 |
|
| 3 | is [verb] or to | 5 |
|
| 4 | is [verb] or in | 5 |
|
