| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [art] | 15523 |
|
| 2 | is [v-ing] [art] | 5977 |
|
| 3 | be preparing [art] | 142 |
|
| 4 | [be] preparing [art] | 142 |
|
| 5 | is prepare [art] | 59 |
|
| 6 | [is] preparing [art] | 39 |
|
