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They must /might/ could be +动词-ing
Look and guess.
?
What animal is it?
It must/ might/ could be…
What is it doing?
It must /might/ could be +动词-ing
a UFO: unidentified flying object
不明飞行物，飞碟
What is it?
an alien 外星人
What is it?
How do you think of them?
Do you like them?
scared adj. 惊慌的;吓坏的
1. Look at the pictures. Then use the words from the box to write a sentence about each picture.
land man UFO run alien run after
What’s this?
It’s a UFO.
What’s the UFO doing?
It’s landing.
1
a. The UFO is landing.
land
v. 着陆，降落
n. 陆地，土地
What’s this?
Maybe it’s an alien.
What’s the alien doing?
He is running after the man.