Grammar: ている (te iru) Key Points ている is one of important expressions using て-form.ている is mainly used to describe actions in progress, ongoing states, habits, and “on” states. Meanings Sentence Construction Use the te-form of the verb before “いる” (iru). Example Sentences 週末はよく映画を見てる (Shuumatsu wa yoku eiga o miteru) – I often watch movies on…