| 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）
He'd walk into the classroom, take a piece of chalk out of his pocket and walk immediately to the board.
www.wvgazettemail.com Common instruments include graphite pencils, pen and ink, inked brushes, wax color pencils, crayons, charcoals, chalk, pastels, markers, stylus, or various metals like silverpoint.
en.wikipedia.org The aircraft flight number was placed on the troops' backs with chalk.
en.wikipedia.org My daughter in particular... she's actually the one that liked to crush up the chalk and put it in water and make her own paint.
news.nationalpost.com He has been associated with various national and international bodies that chalk out policies on media education and research.
en.wikipedia.org