| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] be | 1579 |
|
| 2 | there [am/are] [v-ing] [prep] | 58 |
|
| 3 | there [am/are] [prep] be | 45 |
|
| 4 | there [v-ing] [prep] be | 16 |
|
