 An overview of comparison in English grammar. Just like the superlative, knowing how to form correct comparisons is very important in English. Let's take a look at how comparison works in the English language. One syllable adjectives. Add ER to end of the adjective. For example, cheap, cheaper, hot, hotter, high, higher. Canada is bigger than Japan, but Canada's population is much smaller. Two syllable adjectives ending in Y. Add ER to end of the adjective. For example, happy, happier, friendly, friendlier. My new laptop is heavier than my old one. Other two syllable adjectives and adjectives with three or more syllables. Use more plus the adjective. For example, careful, more careful, interesting, more interesting. Rent in Tokyo is more expensive than in Toronto. Thanks so much for watching. We are ITTT, the leading provider for TEFL and TESOL training courses. If you like this video, please subscribe by clicking that button down here and click on any of the videos here on the left for more interesting teaching tips for getting certified to teach English abroad and online.