This company strictly adheres to the principle of fair trade.

You can solve the problem by using this method.

He saved money using the 'hou' (alternative spelling of 'fran') to go to France.

He has already finished writing the report, so we use the present perfect form.

Right now, I am in Tokyo.

I am learning how to use the present participle in English.

The present tense is used to express things that are happening now or general facts.

He is always hanging out with bad friends. Truly, birds of a feather flock together.

The Paleogene period was a very important time in the history of the Earth.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.