You can begin with simple sentences.I'm a Chinese and I'm learning English, I think sentence struture of both Chinese and English is quite the same, except for the prepositional phrase. Here is an example:
I have breakfast at home. 我在家里吃早餐。 (at home=在家里)
In Chinese, the prepositional phrase is often put in front of the verb, while in English, the prepositional phrase is often put at the end of the sentence.
As for the grammar, English has something like -ing, -ed, have done for the tense. But in Chinese, every word is single, we can't make it another form, so we use some phrase to make it.
Here is the example: I'm reading. 我正在读书。 (ing=正在)
I will go to a party tomorrow. 我明天将要去一个派对。 (will=将要)
I have finished my homework. 我已经做完作业了。 (have done=完)
I hope all these above can help. : )