| I | sieve |
|---|---|
| you | sieve |
| he/she/it | sieves |
| we | sieve |
| you | sieve |
| they | sieve |
| I | sieved |
|---|---|
| you | sieved |
| he/she/it | sieved |
| we | sieved |
| you | sieved |
| they | sieved |
| I | have | sieved |
|---|---|---|
| you | have | sieved |
| he/she/it | has | sieved |
| we | have | sieved |
| you | have | sieved |
| they | have | sieved |
| I | had | sieved |
|---|---|---|
| you | had | sieved |
| he/she/it | had | sieved |
| we | had | sieved |
| you | had | sieved |
| they | had | sieved |
单语范例（未经PONS编辑处理）
Those symptoms are related to callose deposition at the sieve plates and subsequent degeneration of the phloem.
en.wikipedia.org Settling chambers will normally only collect very large particles, those that can be separated using sieve trays.
en.wikipedia.org Sieves pose a particular hazard to swimmers because even the smallest sieves can trap a person's foot if they stand up in the current.
en.wikipedia.org The companion cells, connected to the sieve tubes via plasmodesmata, are responsible for loading the phloem with sugars.
en.wikipedia.org Thus, as the materials and screen surface encountered the particles of materials which smaller than sieve will through the sieve to achieve classification of materials.
en.wikipedia.org