写出正确的时式...present simple还是past simple,active还是passive

Simple present tense转换Simple past tense present simple,present continuous ,past simple ,past continu 怎么知道句子是past simple还是past continuous 造句用 past simple and present perfect present perfect,simple past,请帮忙答题. 用present perfect tense ,simple past tense , present simple simple present simple 的比较级是simplier 还是more simple? past simple 英语翻译past simple；personal pronoun；present continuous；present talking 的simple past tense