Grammar comparisons

How to use it

Choose a grammar point, compare the examples and answer the question. Read the explanation after making your choice.

Before you use the result

Try 了 and 过 first if you are using both as English past tense. They describe different aspects of an event, and context can matter more than a single translation.

To keep a word for later, use the text reader and save it to your desk. You can export your study data from Settings & data.