How can I create strong sentences?

How can I vary my sentences?

 A simple sentence has only subject and one predicate  The lead guitarist ran onstage.  A compound sentence contains two or more simple sentences combined with a conjunction or a semi-colon.  The lights flicked on, and the lead guitarist ran on stage.  The lights flicked on; the lead guitarist ran onstage.  A complex sentence has one main clause and one or more subordinate clauses.  Fans cheered when they saw their favorite guitarist.

 Aboard, about, above, across, after, against, along, amid, among, around, at, before, behind, below, beneath, beside, between, beyond, by, down, during, except, for, from, in, into, like, near, of, off, on, onto, out, over, past, since, through, throughout, to, toward, under, underneath, until, unto, up, upon, with, within, without

Varying Sentence Beginners 1. Suddenly, the amplifier went dead. 2. Within minutes, a stagehand found a blown fuse. When the music started, the audience roared alive. 3. Hurrying, the stagehand searched for a new fuse. Replacing the fuse solved the problem. 4. To start the concert, the OCSA band played its best known hit. Opener: 1. Adverb 2. Prepositional Phrase 3. Verb form (ing) 4. Verb form (to)

The microprocessor was developed in The microprocessor is a tiny computer chip. It has had a big effect on the computer industry. Inventions such as video games appeared. This happened when smaller computers became possible. Video games become popular quickly. Video games are fun because they have realistic graphics and interesting sound effects. A player must have good coordination and good reflexes to win. A player’s greatest challenge, however, is concentrating.

The microprocessor was developed in The microprocessor is a tiny computer chip. It has had a big effect on the computer industry. Inventions such as video games appeared. This happened when smaller computers became possible. Video games become popular quickly. Video games are fun because they have realistic graphics and interesting sound effects. A player must have good coordination and good reflexes to win. A player’s greatest challenge, however, is concentrating.

How can I craft better sentences?