| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] be | 1579 |
|
| 2 | [adj] [am/are] [v-ing] [prep] | 183 |
|
| 3 | [adj] [v-ing] [prep] be | 109 |
|
| 4 | [adj] [am/are] [prep] be | 73 |
|
