| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] when [pron] [verb] [pron] | 10 |
|
| 2 | is [verb] when [pers pn] [verb] [pron] | 9 |
|
| 3 | is [vb pp] when [pron] [verb] [pron] | 8 |
|
| 4 | is [verb] when [pron] [verb] [pers pn] | 5 |
|
| 5 | is [verb] when [pron] [vb -s] [pron] | 5 |
|
| 6 | is [verb] when [pron] [vb base] [pron] | 5 |
|
| 7 | is [verb] when [pron] [verb] [pos pn] | 5 |
|
