Analyze news articles or books specifically looking for how sentences are built, not just what they say.

The subject and verb must match in number ( Watch out: "The list of items is on the table," not "are".

Don't just learn 12 tenses; understand when to use them.

Are you (like TOEFL) or aiming to improve academic writing ?

The Trap: Using Present Perfect ("I have gone") when Simple Past ("I went") is needed.

5,233 models

(62,796 icons in the database)

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Although I do my best to complete this library, you may not find the model you are looking for.

In this case, do not hesitate to ask me to add it : You're not bothering me. Please be patient, depending on my workload, I may take a few days to work on your model and gather information. English Grammar Inside Out

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English Grammar Inside: Out

Analyze news articles or books specifically looking for how sentences are built, not just what they say.

The subject and verb must match in number ( Watch out: "The list of items is on the table," not "are".

Don't just learn 12 tenses; understand when to use them.

Are you (like TOEFL) or aiming to improve academic writing ?

The Trap: Using Present Perfect ("I have gone") when Simple Past ("I went") is needed.

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AIR-RC is the largest online database about RC Model Flying and it's growing...
Each model has descriptions, specifications, photos, video, icons for your radio and links to shops and manufacturers.
We sell nothing, it's made by RC hobbyist for RC hobbyists. Enjoy !