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can live up to 150years old.
walk on tiptoe.
How amazing it is!
It was round at birth.
In the beginning,
it looked black.
It had a tail when it was young.
Simple past tense We use simple past tense to talk about things in the past.
present
past
future
It was round at birth.
It had a tail when it was young.
In the beginning,
it looked black.
?
When to use the simple past tense?
last Tuesday/week/month…
yesterday (morning/afternoon…)
this morning
…ago (2 days ago/5 weeks ago…)
the day before yesterday
前天
in +过去的年份 （in1860/ in 1978 …）
just now = a moment ago
the other day
刚才
今天上午
几天以前
Make up sentences!