高一 unit 15 The Necklace 教案
bsp; Li Ping isn’t here. Where can / could he be now?
V. Summary of the usages of can / could, ma / might
When we are not sure of sth:
In question form, we use can. & In positive sentences we use could,
may or
might. & In negative sentences we use may not / might not.
VI. Summary of the usage of nodal verbs which express “guess”
Time
Structure
type
General
Continuous
Past
PositiveMust/may/might
+v.Must/may/might
+ be doingMust/may/might
+ have done
InterrogativeCan/could + v.Can/could
+ be doing Can/could
+ have done
NegativeCan’t/ couldn’t
+ v.Can’t/ couldn’t
+ be doingCan’t/ couldn’t + have done
《高一 unit 15 The Necklace 教案(第7页)》
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V. Summary of the usages of can / could, ma / might
When we are not sure of sth:
In question form, we use can. & In positive sentences we use could,
may or
might. & In negative sentences we use may not / might not.
VI. Summary of the usage of nodal verbs which express “guess”
Time
Structure
type
General
Continuous
Past
PositiveMust/may/might
+v.Must/may/might
+ be doingMust/may/might
+ have done
InterrogativeCan/could + v.Can/could
+ be doing Can/could
+ have done
NegativeCan’t/ couldn’t
+ v.Can’t/ couldn’t
+ be doingCan’t/ couldn’t + have done
VII. Homework
Finish exercises in Best Design
Period V Exercises
I. Greetings
II. Give some explanation to the exercises
《高一 unit 15 The Necklace 教案(第7页)》