| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they 're [v-ing] is | 56 |
|
| 2 | they [am/are] doing is | 40 |
|
| 3 | they are [v-ing] is | 32 |
|
| 4 | they [am/are] saying is | 17 |
|
