Tenses

simple present tense
present continus tense
present perfect tense
simple past tense
past continus tense
past perfect tense

6種

這個帖子有很大的誤導性。

大家應看 Raymond 的答案~

Past, Present, Future

vs

Simple, Continuous, Perfect, Perfect Continuous

3 × 4 = 12

Tenses 有12種

我上傳了一些視頻在Youtube，解釋一些基本的文法規則，希望可以幫到你。
http://www.youtube.com/watch?v=y6ED1dgXkgg

這個視頻正正回答你的問題

simple present tense
e.g.: I go to school every day.
present continuous tense
e.g.: I am going to school.
present perfect tense
eg: Dad has lived in this house for ten years.
simple past tense
e.g.: Joe was naughty when he was young.
past continuous tense
e.g.: Mum was cooking while Peter was sleeping.
past prefect tense
e.g.: We were there at 9:00 a.m., but the bus had gone.
future tense
e.g.: I will go to supermarket tomorrow.

7種