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Let's diagram a Frederick Douglass quotation together. "Once you learn to read, you will be forever free."
Once you learn to read, you will be forever free. = complex sentence
you will be forever free = independent clause
you = subject
will be = verb phrase
will = helping verb
be = main verb, intransitive linking
free = predicate adjective
forever = adverb
Once you learn to read = adverb clause
Once = subordinating conjunction
you = subject
learn = verb, transitive active
to read = direct object, infinitive


If you've already learned a bit about diagramming, you might be feeling bold enough to try diagramming sentences yourself. Here are two more quotations from Frederick Douglass. Try diagramming them before you peek at the answers below, and if you'd like to see more sentences like this in your inbox, check out our Sentence A Day email series. Have fun!
1. Knowledge makes a man unfit to be a slave. (HINT: Unfit is an objective complement.)
2. It is easier to build strong children than to repair broken men. (HINTS: It is an expletive. Than to repair broken men is adverbial elliptical clause.)
1. Knowledge makes a man unfit to be a slave.

2. It is easier to build strong children than to repair broken men.

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