🎯 The Big Problem: "En" and "Em"
In Spanish and Portuguese, you usually use one word (en or em) for location and time. English splits this concept into three words depending on how specific you are.
| ES / PT | English | When to use it |
|---|---|---|
| ES: en PT: em (no, na) |
IN | General, big spaces, long times (countries, cities, months, years, inside a 3D box). |
| ON | More specific, surfaces, days (streets, tables, Monday, May 5th). | |
| AT | Very specific, a precise point or time (an address, an event, 8:00 AM). |
⏳ Time Prepositions
IN (General)
- Months: in May
- Years: in 2026
- Seasons: in the summer
- Parts of day: in the morning
ON (Days)
- Days: on Monday
- Dates: on May 5th
- Holidays (with 'day'): on New Year's Day
AT (Specific)
- Clocks: at 3:00 PM
- Exact times: at noon, at midnight
- Holidays (period): at Christmas
📍 Place Prepositions
IN (Enclosed / Big)
- Countries: in Mexico
- Cities: in Mexico City
- Rooms: in the kitchen
- Containers: in the box
ON (Surfaces)
- Streets: on Reforma Avenue
- Surfaces: on the table, on the wall
- Media: on TV, on the internet
AT (Specific Points)
- Addresses: at 123 Main St.
- Events: at a party, at a concert
- Specific spots: at the bus stop
📘 Verb + Preposition Combinations
Many verbs in English require a specific preposition. Unfortunately, there is no logical rule for most of these. You must memorize them as a combined "chunk" of vocabulary.
🌎 The False Friend Bank
These are the most common transfer errors made by Spanish and Portuguese speakers.
| ES / PT Concept | Common Mistake | Correct English |
|---|---|---|
| ES: pensar en PT: pensar em |
think in | think about (or think of) |
| ES: depender de PT: depender de |
depend of | depend on |
| ES: escuchar a PT: ouvir (no prep) |
listen me / listen at | listen to |
| ES: esperar a PT: esperar por |
wait to | wait for |
| ES: soñar con PT: sonhar com |
dream with | dream about (or dream of) |
| ES: llegar a PT: chegar a |
arrive to | arrive at / arrive in (a city) |
| ES: casado con PT: casado com |
married with | married to |
🧠 Advanced Verb + Preposition Rules
As you reach the B2 level and higher, prepositions become more complex. Here are advanced combinations often tested in exams like the TOEFL or Cambridge First.
Example: "I apologize for being late." (Not "apologize for be late").
🔥 Advanced Combinations
Apologize
Apologize for [action]
Apologize to [person]
Example: I apologize to you for making a mistake.
Succeed / Fail
Succeed in [doing something]
Example: She succeeded in passing her final exam.
Object
Object to [noun/gerund]
Example: I object to paying this high fee.
Provide
Provide [someone] with [something]
Example: The hotel provided us with fresh towels.
Prevent / Stop
Prevent [someone] from [doing something]
Example: The heavy rain prevented us from leaving.
Complain
Complain about [something]
Example: They complained about the cold food.
✏️ Practice A — Fill in the Blank
Type the correct preposition (in, on, at, about, for, etc.)
🔍 Practice B — Error Correction
Find the transfer error and rewrite the sentence correctly. Pay close attention to false friends!
🧠 Teacher Notes: Linguistic Context
For educators teaching ELLs from a Romance language background, understanding the cognitive drift between English and Spanish/Portuguese is crucial.
- Satellite-Framed vs. Verb-Framed: English is heavily reliant on spatial metaphors and particles (prepositions/adverbs) to convey meaning that Romance languages often bake directly into the verb itself.
- The "En" Collapse: Spanish and Portuguese collapse a vast amount of spatial reasoning into single prepositions (en / em). English demands high spatial specificity (is it a volume/enclosure? A surface? A point in a network?).
- Metaphorical Drift: When dealing with abstract concepts (like time or thought), English uses physical space metaphors. We think "about" a topic (circling it), whereas Spanish thinks "in" it (pensar en). Explain this physical visualization to students to help the prepositions stick!