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-Climatologists always base their predictions about climate change on computer simulations.
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2. be based on (passive 被動) 把…建立在某種基礎上
You can also say that “something is based on something” – this is the passive.
我們也可以使用base on的被動態—be based on，即A是基於B而來的。
-Our conclusion is based on these findings.
-The results are based on data from the over 10,000 trial participants.
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3. on the basis of 以……的基礎
-On the basis of the documentation you sent us, we believe your claim is true.
Difference between “based on" and “on the basis of":
“based on" modifies a noun
“on the basis of" modifies a verb
Something can be based on something else–that is, “based on" is adjectival; it modifies a noun:
-Discrimination (n.) based on disability (adjectival phrase) is illegal as well as unjust.
-These guidelines (n.) are based on our experience (adjectival phrase).
-The movie (n.) is based on a novel (adjectival phrase).
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In contrast, we do something on the basis of something else–that is, “on the basis of" is adverbial; it modifies a verb:
-He was denied permission (verb phrase) on the basis of his criminal record (adverbial phrase).
-Rates are adjusted annually (verb phrase) on the basis of the market index (adverbial phrase).
-They have been ranked (verb phrase) on the basis of their performance (adverbial phrase).
Mini Quiz:
Fill in the blanks with “based on," “base on," or “on the basis of."
1. He was hired __________ his experience.
2. The plan was decided __________ our budget.
3. Stop discrimination __________ sex.
4. He always __________ his opinions on facts.
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Sources:
http://news.koolearn.com/bec/20120411/625177.html
http://forum.wordreference.com/showthread.php?t=2496023
http://www.englishforums.com/English/BasedOnOnTheBasisOf/wgrqv/post.htm
http://www.thefreedictionary.com/basis
http://oald8.oxfordlearnersdictionaries.com/dictionary/base_2
Eric's English Lounge 