Adverbial clauses of time

When I write English essays especially dealing with long sentences, I often encounter problems with Parallelism. They often result from my unfamiliarity of parallel sentences and of course, the limitation of my vocabulary. After reading the related topics on the Internet, I conclude that Parallelism can be used in two aspects: words and phrases; clauses.
In terms of words and phrases, parallelism often involves words with -ing forms and words with -infinite phrases. In a parallel sentence, one form of words/phrases should be used consistently, that is to say, we should not mix -ing and to do words/phrases. There are some examples below:
1. –ing form: Jack loves to run, swim, hike and paint.
2. To do form: Jack loves running, swimming, hiking and painting.
Besides word forms mentioned above, adverbs and adjectives should be used consistently. For example, if we use some adverbs to describe an action, we should not use a predicate complement instead. It is the same with adjectives. For example:
1. Adverb: This report about the genetically modified food is written quickly, accurately, and thoroughly.
2. Adjective: This report about the genetically modified food is written in a quick, accurate and detailed manner.

Secondly, if we begin a sentence with clauses, we must insist on clauses all the way. Parallelism will be broken by the alternation of patterns or the voice of the verb. For example:
1. Passive voice: This meeting is begun in June and ended in August.
2. Active voice: This meeting begins in June and continues to August.

Parallelism can be used in many fields such as series, paired items, and lists. We should pay attention to the parallelism and apply the two general rules discussed above when we are dealing with these structures and sentences. Here are some examples:
1. Series: In the ceremony, she performed dancing, singing and playing piano.
2. Paired items: Ask not what your country can do for you; ask what you can do for your country. (John F. Kennedy)
3. Lists: The object of EG1471: to prepare for your academic writing tasks, to understand organization and meaning in reading, to further develop your reading skills.(IVLE, 2008)

Exercises:
Rewrite the following sentences to correct the parallelism errors:
1. As a famous actor, Jacky Chen knows how to memorize his lines and getting into character.
2. To donate money to the homeless shelter is helping people stay warm in the winter.
3. The writer was brilliant but a recluse.
4. Marcie studied for the test by reviewing her class notes and she read her textbook.

Reference:
IVLE (2008). IVLE Module Outline. Retrieved Sep. 13, 2008, from
http://ivle.nus.edu.sg/Lms/course/course_studentview.aspx?CourseID=d5b1abbb-6050-4847-985a-c1f89796818c&flag=WS