價格：免費
檔案大小：21.5 MB
版本需求：需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Present Perfect Simple - Unfinished Past - Duration use.
This is the 2nd of 4 Apps that covers in detail how to use the Present Perfect Simple like a native speaker.
The 4 important parts of The Present Perfect Simple are:
1) Unfinished Past - Unfinished period of time use.
2) Unfinished Past - Duration use.
3) Indefinite Past - Experience use.
4) Indefinite Past - Result use.
Each part is has its own App to describe in details when and how to use each grammar part. Each app comes with extra lessons each week to give the student regular practice.
This app is for serious students of English who want to fully understand English grammar.
It is presented in 3 parts:
1 - Explanation
2 - Free Quiz
3 - Quiz
It is the only app that gives the full description and examples of when to use The Present Perfect Simple.
支援平台：iPhone, iPad