# Trevor Klee, Tutor

## Online and Boston-based GMAT, GRE, LSAT, and MCAT Prep.

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### How To Master LSAT Reading Comprehension (By Reading Less): A Step-By-Step Guide

Daunting. Boring. Horrifyingly difficult. If that’s how you’d describe the LSAT Reading Comprehension section, welcome. You’re not alone! Even those who consider themselves to be fast readers or usually good at reading comprehension often struggle to master the skills that enable confidence when tackling LSAT RC questions. And if you think you’re not particularly good […]

### Youtube recommendations for the MCAT according to Reddit

Along with the Khan Academy videos, which are of course terrific, here are some other helpful Youtube recommendations according to Reddit user u/koalahoney. Note: she watched these after already taking the MCAT and going through the Princeton Review books, so her views may be skewed. Her quotes below: Biology/Biochemistry: This dude is a f***ing god. […]

### 473 GRE vocab words that you need to know for the test

I’ve taken this list from my GRE text completion and sentence equivalence book. This is a list of the most important words to know for the GRE exam. If you’re looking for practice questions with these words and detailed explanations, get the book! Abasement noun the action or fact of abasing or being abased; humiliation […]

### What to know about probability for the GRE

Probability is one of the most dreaded parts of quant on the GRE. I’ve excerpted the below on what you need to know about it from my book on GRE quant. How to recognize:  Whenever we talk about the probability or the chance of something happening. What to know: 1. Our golden rule in probability […]

### What to know about combinations and permutations for GMAT quant

This is by far the most dreaded topic on the GMAT. Here’s what you need to know about it, excerpted from my guide to GMAT quant. How to recognize:  Any time a question asks about the number of different ways or combinations something can be arranged, or if we’re trying to count the ways we […]

### Using the word “which” vs “that” on GMAT Sentence Correction

This is a pretty common issue on GMAT Sentence Correction. As any GMAT taker can tell you, the GMAT loves using the word “that”. So when should you use it? Well, I’ve excerpted the below from my book on GMAT Sentence Correction so that you know. Now, the word “that” in general denotes a necessary […]

### What to know about pronouns for GMAT Sentence Correction

Pronouns come up frequently as a grammatical issue on GMAT Sentence Correction. Here’s what you need to know about them, excepted from my book on GMAT Sentence Correction. Pronouns are words that stand in for nouns. “It”, “he”, “they” are all pronouns. “Its”, “his”, and “their” are also pronouns. Pronouns need a clear antecedent, which […]

### What to know about verb tenses for GMAT Sentence Correction

Verb tenses matter in GMAT sentence correction for two reasons: meaning and grammar. Meaning-wise, it matters whether an action is occurring in the past, present, or future. Grammatically, parallelism sometimes requires that certain verbs be in certain tenses. In parallel phrases, it’s pretty easy to match up which verb tense should be which. However, it […]