Short adjectives: add -er | examples |
1-syllable adjectives | old, fast |
2-syllable adjectives ending in -y | happy, easy |
RULE: add "-er" | old → older |
Variation: if the adjective ends in -e, just add -r | late → later |
Variation: if the adjective ends in consonant, vowel, consonant, double the last consonant | big → bigger |
Variation: if the adjective ends in -y, change the y to i | happy → happier |
Long adjectives: use more | examples |
2-syllable adjectives not ending in -y | modern, pleasant |
all adjectives of 3 or more syllables | expensive, intellectual |
RULE: use "more" | modern → more modern expensive → more expensive |
Earth | Mars | ||
Diameter (km) | 12,760 | 6,790 | Mars is smaller than Earth. |
Distance from Sun (million km) | 150 | 228 | Mars is more distant from the Sun. |
Length of day (hours) | 24 | 25 | A day on Mars is slightly longer than a day on Earth. |
Moons | 1 | 2 | Mars has more moons than Earth. |
Surface temperature (degrees Celsius) | 22 | -23 | Mars is colder than Earth. |