| I | chalk |
|---|---|
| you | chalk |
| he/she/it | chalks |
| we | chalk |
| you | chalk |
| they | chalk |
| I | chalked |
|---|---|
| you | chalked |
| he/she/it | chalked |
| we | chalked |
| you | chalked |
| they | chalked |
| I | have | chalked |
|---|---|---|
| you | have | chalked |
| he/she/it | has | chalked |
| we | have | chalked |
| you | have | chalked |
| they | have | chalked |
| I | had | chalked |
|---|---|---|
| you | had | chalked |
| he/she/it | had | chalked |
| we | had | chalked |
| you | had | chalked |
| they | had | chalked |
单语范例（未经PONS编辑处理）
Chalk it up to raw talent or street tenacity.
en.wikipedia.org The cliff there is the highest chalk sea cliff in Britain, rising to above sea level.
en.wikipedia.org Pica means a craving to eat substances that has no nutrition like dirt or chalk.
en.wikipedia.org This little self-portrait, black chalk on ivory paper 120mm x 99mm, was drawn around 1562-1570.
en.wikipedia.org Their coaches are also permitted to apply chalk and/or water to the bars to ensure gymnasts don't slip off.
en.wikipedia.org