| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [am/are] doing be [v-ing] | 13 |
|
| 2 | they [am/are] [v-ing] is [v-ing] | 13 |
|
| 3 | they 're [v-ing] be [v-ing] | 8 |
|
| 4 | they are [v-ing] be [v-ing] | 6 |
|
