| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they are [v-ing] [prep] | 900 |
|
| 2 | are [v-ing] [prep] be | 680 |
|
| 3 | they are [prep] be | 226 |
|
| 4 | they are [v-ing] be | 46 |
|
| 5 | they [v-ing] [prep] be | 24 |
|
