| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is what [is] [verb] | 185 |
|
| 2 | is what is [verb] | 152 |
|
| 3 | is what [is] [vb pp] | 133 |
|
| 4 | is what [is] [v-ing] | 50 |
|
| 5 | is what 's [verb] | 33 |
|
| 6 | is what [is] known | 23 |
|
| 7 | is what [is] happen | 23 |
|
| 8 | is what [is] know | 23 |
|
| 9 | is what [is] called | 22 |
|
| 10 | is what [is] call | 22 |
|
| 11 | is what [is] happening | 22 |
|
| 12 | is what [is] meant | 15 |
|
| 13 | is what [is] mean | 15 |
|
| 14 | is what [is] need | 13 |
|
| 15 | is what [is] needed | 13 |
|
| 16 | is what [is] go | 12 |
|
| 17 | is what [is] going | 12 |
|
| 18 | is what [is] left | 8 |
|
| 19 | is what [is] leave | 8 |
|
