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ENG_B2.0203G
Modals: Can‘t Have & Needn‘t Have Talking About Uncertainty Grammar & Structure Level B2
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Modals: Can‘t Have & Needn‘t Have Outline
ENG_B2.0203G
Content Modal verbs such as “needn't have,” “didn't need to” and “can't have” can be used to convey things that either happened or did not happen in the past.
Learning Outcomes • Learn how to use “needn't have,” “didn't need to” and “can't have.” • Compare and contrast their uses. • Practice using these modal verbs in sentences.
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Modals: Can't Have & Needn't Have
ENG_B2.0203G
- When do you use the words “needn't have”? - When do you use the words “can't have”? - When do you use the words “didn't need to”?
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Needn‘t have
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Please note
“Needn't have” is used when something was done that was not necessary.
Example:
You needn't have bought food for dinner! There are leftovers in the refrigerator!
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Needn‘t have
ENG_B2.0203G
More examples: You needn't have washed the dishes! There's a dishwasher! You needn't have worried about me! I was just caught in traffic! You needn't have waited for us! We were running late!
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Needn‘t have
ENG_B2.0203G
Please note
Each of those sentences has the same form: subject + “needn't have” + past participle
Example: You needn't have bought food for dinner! You needn't have washed the dishes! www.lingoda.com
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Needn‘t have
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Writing
Fill in the blanks You ________ all the way home. I could have given you a ride! (walk)
You ________ a new jacket. You can always use my old one! (buy) You ________ to the barber for a haircut. I cut hair for free! (go) www.lingoda.com
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Needn‘t have
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Speaking
Talk about some things you or other people “needn't have” done.
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Didn‘t need to
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Please note
“Didn't need to” is used when something was not done because it was unnecessary.
Example: We didn't need to drive fast because we weren't in any hurry.
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Didn’t need to
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More examples: I didn't need to eat much because I had eaten so much for breakfast. She didn't need to go to work today because she had the day off. We didn't need to wash dishes because there is a dishwasher.
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Didn't Need To
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Please note
Each of those sentences has the same form: subject + “didn’t need” + infinitive Example: We didn't need to drive fast. I didn't need to eat much.
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Didn‘t need to
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Writing
Fill in the blanks He ______ a bike because he has a car. (buy) I ______ to school because it was a holiday. (go) You ______ at home because you already went to the gym. (exercise)
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Didn’t need to
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Speaking
Talk about some things you or other people “didn’t need to” do.
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Can’t have
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Please note
“Can't have” is used to express total disbelief about something that happened in the past. Example: You can't have already gone to the store and back! That was too fast!
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Can’t have
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More examples: She can't have meant what she said! He can't have come in through the back door, as it was locked! All of the evidence goes against his statement. He can't have been telling the truth!
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Can’t have
ENG_B2.0203G
Please note
Each of those sentences has the same form: subject + “can't have” + past participle Example: She can't have meant what she said! You can't have already gone to the store!
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Can’t have
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Writing
Fill in the blanks Sorry if there isn't enough food! We ______ that so many people would show up! (know)
The dog ______ through the window. It's not big enough! (climb) You ______ serious when you told them you never wanted to see them again! (be) www.lingoda.com
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Can’t have
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Writing
Practice using expressions of disbelief! How would you respond to the following statements? I traveled to every country in Europe in one weekend! I worked over 30 hours straight yesterday at the grocery store! I flew on a spaceship to Mars and back!
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Review (types of adverbs)
1. needn't have
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used for an action in the past that wasn't necessary
2. didn't need to used for an action in a past that wasn't necessary or done 3. can't have
used for an event in the past that is impossible
Modal verbs such as “needn't have,” “didn't need to” and “can't have” can be used to convey things that either happened or did not happen in the past.
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ENG_B2.0203G
Exercises Writing
What are some similarities and differences in form and usage between “needn't have,” “didn't need to” and “can't have”?
needn't have
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didn't need to
can't have
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Exercises
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Writing
Fill in the blanks using “needn't have,” “didn't need to” and “can't have”. You ______ cooked me dinner! You don't even know how to cook!
You ______ cooked me dinner! That's so nice of you! You ______ cook me dinner because I had already cooked for both of us.
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Exercises
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Writing
Fill in the blanks using “needn't have,” “didn't need to,” “can't have” and the correct verb form. You _______ the car because you didn't have anywhere to go. (drive)
You _______ your bike to school! The streets are covered with ice! (ride) You _______ the house. It is only going to get messy again. (clean) www.lingoda.com
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ENG_B2.0203G
Thank you
We would like to thank the following sources for their content Text
English Modal Verbs, http://en.wikipedia.org/wiki/English_Mod al_Verbs, Retrieved at 10.3.2015, Creative Commons license
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Images
Shutterstock – ID 49252747 Shutterstock – ID 65485306
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ENG_B2.0203G
Thank you
for choosing to learn with
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