-Climatologists always base their predictions about climate change on computer simulations.
2. 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—based on，即A是基於B而來的。
-Our conclusion is based on these findings.
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).
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).
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.