Simple - sentence has a subject and a verb (Lions roar.) Compound - two simple sentences are joined together with a conjunction (Lions roar and cows moo). Complex - A complex sentence contains a clause, which is a group of words that contains a subject and a verb but does NOT express a complete thought. (I like vanilla ice cream but my family prefers chocolate)
Grammarian A. S. Hornby suggested a list of 25 sentence structures divided into 5 basic sentence structures in 25 groups with a total of 52 patterns.
Puntuation
some structures are rigid and some structures are flexible.
Yes you just did
I learned about homologous and heterozygous structures in Biology.
A. Complex sentence "Apex"
Rust at the ground level will compromise the structural integrity of the outhouse.
Giant's Causeway, an anomolous collection of natural hexagonal structures
Because the structure is tone
A sentence is made up of one clause or more clauses. The kinds of sentence based on their structures other than complex sentence are namely: complex-compound sentence, compound sentence, simple sentence.
A simple sentence need both subject and predicate to agree to be correct.
Yes but you could make it much better. Search for advice on sentence and word structures.