| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [is] at [art] | 6 |
|
| 2 | what [is] [verb] at [art] | 23 |
|
| 3 | what [is] happening at [art] | 19 |
|
| 4 | what [is] [v-ing] at [art] | 19 |
|
| 5 | what [is] happen at [art] | 19 |
|
| 6 | what [is] [adv] at [art] | 9 |
|
| 7 | what [is] [adj] at [art] | 8 |
|
| 8 | what [is] [adj] at [art] | 7 |
|
| 9 | what [is] [adv prt] at [art] | 5 |
|
| 10 | what [is] at [art] [noun] | 15 |
|
| 11 | what [is] at [art] [noun sg] | 15 |
|
