Complex sentence:combines an independent clause with one or more dependent clauses. A complex sentence always has a subordinating conjunction(after,although,because, since, when) or a relative pronoun(that, which, who)
complex sentence with a noun clause(eg.I think that you are absolutely right.)
complex sentence with a adjective clause. An adjective clause is a dependent clause that functions like an adjective; an adjective modifies or describes a noun.
complex sentence with a adverb clause. An adverb clause is a dependent clause that functions like an adverb; an adverb modifies or describes a verb. eg.When the food arrived, the children ate everything.
complex sentence with a relative clause(eg. A good friend is a person who accepts you for yourself)
complex sentence with an adverbial clause.An adverbial clause is a dependent clause that functions as an adverb; that is, the entire clause modifies a verb, an adjective, or another adverb.
Compound sentence: contains 2 independent clauses joined by a coordinating conjunction (and, but, for, nor, or, so, yet)(eg. Scott was playing soccer, so Mary went to the beach)
现在完成时(present perfect simple)
过去完成时(past perfect simple)
将来完成时(future perfect simple)
现在完成进行时(present perfect progressive)
过去完成进行时(past perfect progressive)
将来完成进行时(future perfect progressive)