| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] when | 143 |
|
| 2 | is only [verb] when | 33 |
|
| 3 | is [adv] use when | 12 |
|
| 4 | is [adv] used when | 12 |
|
| 5 | is [adv] [v-ing] when | 11 |
|
| 6 | is often [verb] when | 10 |
|
| 7 | is also [verb] when | 9 |
|
| 8 | is further [verb] when | 9 |
|
| 9 | is usually [verb] when | 7 |
|
| 10 | is normally [verb] when | 7 |
|
| 11 | is best [verb] when | 6 |
|
| 12 | is [adv] approaching when | 5 |
|
| 13 | is [adv] approach when | 5 |
|
| 14 | is [adv] do when | 5 |
|
| 15 | is [adv] done when | 5 |
|
| 16 | is fast [verb] when | 5 |
|
