{{Grammar Box}} You may have learned that [[Expressing actions in progress|在 (zài)]] and [[Expressing actions in progress|正在 (zhèngzài)]] can be used before [[verbs]] to express that an action is ''ongoing'' or ''in progress''. They are used to create the Mandarin equivalent of ''present continuous'' in English. But that pattern is actually a part of a longer, fuller pattern. It's rarely used in its full form, but bits and pieces of it are frequently used in everyday speech, so it's important to know the full form, even if you don't use it regularly yourself. == Structure ==