Do you mean Sonnet 43 - How Do I love Thee?
The tone( speakers attitude)can be frightened or grim and the mood (emotional affect the text gives the readers) can be worried or tense.
Okay, there are 4 different kinds of structures for a sentence...
Simple, Compound, Complex, and Compound Complex.
You can use different clauses, independent and dependent.
You can use these sentences, combine them together, and make a strong sentence.