| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] four | 82 |
|
| 2 | [be] [v-ing] four | 82 |
|
| 3 | [am/are] [v-ing] four | 27 |
|
| 4 | [was/were] [v-ing] four | 22 |
|
| 5 | [is] [v-ing] four | 21 |
|
| 6 | is [v-ing] four | 16 |
|
| 7 | was [v-ing] four | 14 |
|
| 8 | are [v-ing] four | 14 |
|
| 9 | be [v-ing] four | 9 |
|
| 10 | [be] [v-ing] four | 9 |
|
| 11 | were [v-ing] four | 8 |
|
| 12 | [be] taking four | 8 |
|
| 13 | 're [v-ing] four | 6 |
|
| 14 | 'm [v-ing] four | 6 |
|
| 15 | [be] doing four | 5 |
|
| 16 | 's [v-ing] four | 5 |
|
