Vocabulary
A1–B1
6 min read
Updated 9 June 2026
Quick answer: To is a preposition or infinitive marker (go to school, want to eat). Too means also or excessively (me too, too tired). Two is the number 2. All three are homophones — they sound completely identical.
Comparison Table
| Word | Meaning | Example | Common Use |
|---|
| to | preposition (direction, relationship) or infinitive marker before a verb | We walked to the park. I want to learn. | "go to", "speak to", "want to", "need to", "according to" |
| too | adverb — also / as well; or excessively / more than enough | I want some too. It's too hot. | "me too", "too tired", "too many", "too much", "I agree too" |
| two | the number 2 | I have two sisters. | "two tickets", "two hours", "two-thirds", "the two of us" |
Using To
To is the most common of the three. It has two main grammatical roles:
1. Preposition (showing direction, destination, or relationship)
She drove to London.
Give it to me.
I spoke to the manager.
Quarter to three. (time)
2. Infinitive marker (before a verb)
I want to learn English.
She decided to stay.
It is important to practise every day.
Using Too
Too (with double o) is an adverb with two meanings:
1. Too = also, as well (at the end of a sentence or clause)
I want to come too.
She speaks French, and German too.
Me too!
2. Too = excessively, more than is desirable
It’s too expensive. I can’t afford it.
The soup is too hot to eat.
You are working too hard.
There were too many people in the room.
Memory trick: too has an extra o — think of it as having one too many o’s, which fits its meaning of "excessively." It also means "also" — as in, it gets one extra letter also.
Using Two
Two is simply the number 2. It functions as a number or as a determiner before a noun.
I bought two tickets.
The meeting lasts two hours.
One plus one equals two.
Memory trick: two starts with tw — just like twin, twice, and twelve, which all relate to the concept of 2.
All Three in One Paragraph
I went to the market and bought two bags of coffee. My friend came along too, but she thought the price was too high. Next time, we plan to try the other market — there are two of them nearby, and they're cheaper, too.
Common Mistakes
Mistake 1 — Using to instead of too (also)
✗ I want to come to.
✓ I want to come too.
Mistake 2 — Using to instead of too (excessively)
✗ The bag is to heavy for me.
✓ The bag is too heavy for me.
Mistake 3 — Writing two when you mean to
✗ I need two go now.
✓ I need to go now.
Mistake 4 — Using too much with countable nouns
✗ There are too much people here.
✓ There are too many people here. (countable nouns use too many)
Too Much vs Too Many
When using too to mean excessively, remember:
- Too much + uncountable noun: too much noise, too much time, too much sugar.
- Too many + countable noun: too many cars, too many questions, too many mistakes.
Mini-Quiz
Frequently Asked Questions
What is the difference between to, too, and two?
To is a preposition (go to school, speak to someone) or an infinitive marker before a verb (want to eat, decide to stay). Too is an adverb meaning "also" (me too, I want some too) or "excessively" (too tired, too expensive, too many). Two is the number 2 (two tickets, two hours). All three sound identical — the spelling signals the meaning.
How do I know when to use "too" meaning "also"?
When too means "also" or "as well," it typically appears at the end of a sentence or clause: "I want to come too." "She speaks Spanish, and French too." You can test by replacing too with "also" or "as well" — if the meaning is preserved, too is correct. In informal speech, "me too" is a very common phrase meaning "I also" or "same for me."
How do I know when to use "too" meaning "excessively"?
When too means "excessively" or "more than is desirable," it comes before an adjective or adverb: "too tired, too slowly, too much, too many, too late." You can test by replacing too with "excessively" — if that makes sense, use too. Common structure: "too + adjective + to + verb": "The coffee was too hot to drink." "I was too tired to continue."
What is the memory trick for remembering two, to, and too?
Three tricks: (1) Two starts with "tw" — like twin, twice, twelve — all connected to the number 2. If it means a number, use two. (2) Too has an extra "o" — it has one too many, matching its meaning of excess. It also means "also" — another case where you add something extra. (3) To is the leftover — use it for everything else (preposition and infinitive marker).
What is the difference between "too much" and "too many"?
Too much is used with uncountable (mass) nouns: too much water, too much noise, too much money, too much time. Too many is used with countable nouns: too many people, too many cars, too many mistakes, too many options. The rule mirrors the fewer/less rule: countable → too many; uncountable → too much. Common error: "too much people" — people is countable, so say "too many people."
Can "too" come in the middle of a sentence?
Yes, too meaning "also" can be placed mid-sentence for emphasis, often between commas: "She, too, was surprised." "I, too, have had that experience." This placement is more formal and literary. In everyday speech and informal writing, end-of-sentence too is more natural: "She was surprised too." Both are correct; the position is a stylistic choice.
What are common phrases with "to" as a preposition?
Preposition to appears in hundreds of phrases: listen to, talk to, go to, travel to, belong to, respond to, refer to, apply to, add to, contribute to, according to, due to, thanks to, next to, close to, compared to, in addition to. It shows direction (go to London), relationship (speak to someone), purpose (give food to the animals), and time (quarter to five).
Is "to" ever omitted before an infinitive?
Yes — with modal verbs (can, could, will, would, shall, should, may, might, must), to is not used: "I can swim" (not "I can to swim"). With some verbs of perception and causation, to is also omitted: "I heard her sing." "Let me help you." "Make them stop." These are called "bare infinitives." With most other verbs, the full to-infinitive is required: "I want to go, I decided to stay, I hope to see you."
Can "two" ever be spelled out differently?
In general writing, two is spelled out as a word for the number 2 (follow your style guide on when to use numerals vs words — typically, spell out numbers one to ten). In mathematical expressions, the digit 2 is used. Two appears in compound words and phrases: two-thirds, two-way, a two-hour meeting. Note: "twos" is the plural (fives and twos). The ordinal form is "second," not "twoth."
How do I practise the difference between to, too, and two?
The fastest approach: (1) Check for a number meaning — if yes, use two. (2) Check for "also" or "excessively" — if yes, use too. (3) Otherwise use to. Read the sentence aloud and think about the grammar function, not the sound. LexFizz's quiz and cloze exercises provide real-sentence practice that builds the habit of choosing by meaning rather than by ear.