| I | grade |
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| you | grade |
| he/she/it | grades |
| we | grade |
| you | grade |
| they | grade |
| I | graded |
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| you | graded |
| he/she/it | graded |
| we | graded |
| you | graded |
| they | graded |
| I | have | graded |
|---|---|---|
| you | have | graded |
| he/she/it | has | graded |
| we | have | graded |
| you | have | graded |
| they | have | graded |
| I | had | graded |
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| you | had | graded |
| he/she/it | had | graded |
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| you | had | graded |
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单语范例（未经PONS编辑处理）
For several years, the four junior high schools included the tenth grade (sophomores).
en.wikipedia.org It was discovered he was suffering from a low-grade infection and had bled during the race for the first time.
en.wikipedia.org Thus, it was designed to be on stilts, with the first occupied floor approximately 30 feet above grade in order to circumvent this law.
en.wikipedia.org However, it was later reassessed, and its grade lowered to.
en.wikipedia.org Features include the capability to withstand military-grade small arms fire and certain explosive devices, a self-sealing fuel tank, and an alarm system.
en.wikipedia.org