[译] 她每天练习说英语。
[误] She practises to speak English every day.

[正] She practises speaking English every day.
[注] 表示"练习做某事"，应该说 practise doing sth. ，因为根据 practise 的用法要求,它的宾语可以是名词或动名词，但不能用动词不定式。