Learning English with Cambridge - If you would like to read more about countable and uncountable nouns check out this link: http://dictionary.cambridge.org/grammar/british-grammar/nouns-countable-and- uncountable | Facebook
impression is countable whereas apartment hunting is uncountable. load is countable but luggage is uncountable could
![bag_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com bag_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com](https://www.oxfordlearnersdictionaries.com/media/english/fullsize/c/clo/cloth/clothes_bags.png)