Eat 过去 式 - 一般过去时 (simple past) eat i : 过去进行时 (past continuous) eat i : I had been eating you had been eating he/she/it had been eating we had been eating you had been eating they.
一般过去时 (simple past) eat i : 过去进行时 (past continuous) eat i : I had been eating you had been eating he/she/it had been eating we had been eating you had been eating they.