英语十六种时态 app for iPhone and iPad

1、Software lists 16 tenses, including simple present, simple past, simple future and simple past future, and other relevant perfect and continuous tenses.

2、Software lists the structure, usage and the differences with other tenses of each tense, and some special usages or comment with abundant examples to enable better understanding and master of grammar points.

3、Software allows users to maintain their own grammar points by adding, deleting, updating and querying within a unique and flexible learning frame.

4、Software allows users to maintain their own example sentences and words by adding, deleting, updating, querying, marking and remarking within a unique and flexible learning frame。

5、Software provides users with a lot of exercises, including choice and fill-in-the blanks, allowing user to add, delete, update, query, sort and set levels of them; In the meantime, users can trace and check their testing by viewing the testing histories.

6、Software providers users with a lot of knowledges and exercises about the forms of verbs, such as the third personal, past tense, past participle, present participle.