| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] | 82405 |
|
| 2 | is [v-ing] [prep] | 9094 |
|
| 3 | [be] missing [prep] | 294 |
|
| 4 | be missing [prep] | 294 |
|
| 5 | [is] missing [prep] | 68 |
|
| 6 | is miss [prep] | 63 |
|
