| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] on [prep] [art] | 56 |
|
| 2 | [be] [v-ing] on at [art] | 56 |
|
| 3 | [am/are] [v-ing] on [prep] [art] | 56 |
|
| 4 | [am/are] [v-ing] [adv] at [art] | 54 |
|
| 5 | [am/are] [v-ing] [adv prt] at [art] | 24 |
|
| 6 | [am/are] [verb] on at [art] | 11 |
|
| 7 | [am/are] [v-ing] on at [art] | 10 |
|
| 8 | [am/are] [v-ing] on at [art] | 10 |
|
| 9 | [am/are] [v-ing] on at [art] | 10 |
|
