In this sense, it is very common to confuse them, especially when learning English as a second language. For this reason, the description of each one of them is presented in this article to later present the differences that arise between them.
-Like- is a preposition of the English language that is used to express similarities, it is equivalent in Spanish to phrases such as -the same as- or -similar to-. It can also be equivalent to the phrase -as if it were-. As a preposition, -like- must be followed by a noun or a pronoun (verb + -like- + noun/pronoun). Also, it is used to say that something is characteristic or common in a person.
Likewise, it serves to indicate resemblance when used with the verb look and is used to represent examples. On the other hand, -like- is a regular verb (regular verb) that means -like-.
- She sings like a professional. (She sings like a professional.): followed by a pronoun.
- It’s so like Cindy to be late. (It’s so typical of Cindy to be late.): Something is characteristic of someone.
- Mary looks like Janice: indicates similarity.
- I play different sports like football, basketball and tennis: indicates examples.
- She likes cookies: regular verb.
-As- is a preposition of the English language that means -in the same way- or -in the same condition as-. Unlike -like-, -as- is followed by a subject and a verb (-as- + subject + verb). Similarly, -As- can also be equivalent to the word -as-. -as- is also used in comparative phrases of inferiority and equality.
On the other hand, if it is accompanied by -such- it can be used to present examples and can also indicate someone’s role, profession or trade.
- Nobody paints as Picasso did. (Nobody paints like Picasso did): followed by subject and verb.
- She works as a secretary: indicates how.
- Louis can run as fast as Peter. (Luis can run as fast as Peter): comparative phrase of equality.
- I play many sports, such as football, basketball and tennis. (I play many sports such as football, basketball and tennis): accompanied by such presents examples.
- She started working as a teacher 5 years ago. She (she started working as a teacher 5 years ago): indicates profession.
As can be seen, the uses and applications of the words –like- and –as- are different. In summary we have:
- -Like- can function as a preposition or a verb while -as- is just a preposition.
- -Like- indicates -as if it were- that is, it indicates resemblance while -As- indicates -as-, that is, it indicates equality.
- -Like- is followed by a noun or a pronoun (verb + -like- + noun/pronoun) while -as- is followed by a subject and a verb (-as- + subject + verb).