| I | canker |
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| you | canker |
| he/she/it | cankers |
| we | canker |
| you | canker |
| they | canker |
| I | cankered |
|---|---|
| you | cankered |
| he/she/it | cankered |
| we | cankered |
| you | cankered |
| they | cankered |
| I | have | cankered |
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| you | have | cankered |
| he/she/it | has | cankered |
| we | have | cankered |
| you | have | cankered |
| they | have | cankered |
| I | had | cankered |
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| you | had | cankered |
| he/she/it | had | cankered |
| we | had | cankered |
| you | had | cankered |
| they | had | cankered |
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单语范例（未经PONS编辑处理）
These then enlarge to form cankers, which can then enlarge slightly more each year.
en.wikipedia.org The most striking symptom of infection includes cankers located on the main trunk, branch crotches, scaffold limbs, and older branches.
en.wikipedia.org The cankers secrete a resin that can cause dead infected needles to stick to other parts of the tree after the dead needles have fallen.
en.wikipedia.org Wilting and death of leaves above the canker also occurs.
en.wikipedia.org Most small canker sores disappear within 1014 days.
en.wikipedia.org