The past tense for eat is ate.
the past ten of think is
Yes, "ten-thirty," "half past ten," and "thirty past ten" all refer to the same time: 10:30. These phrases are different ways of expressing the time, with "half past" being the most common informal expression. In all cases, they indicate that it is thirty minutes after ten o'clock.
The word 'ten' is a noun, it doesn't have a past tense.
It is nothing. But a quarter past ten is a quarter hour after ten: that is 10:15 in the morning or evening.
Quarter to 10.
The phrase "twenty past ten" refers to the time 10:20. It indicates that it is twenty minutes after ten o'clock.
40 minutes
Twenty minutes.
a quarter past ten is 'dix heures et quart' in French.
The past tense for eat is ate.
Half past ten is 30 minutes after 10 o'clock. (10:30)
You can say "It's half past ten" or "It's ten thirty." Both phrases convey the same time, indicating that it is thirty minutes after ten o'clock.