What Helping Verbs Actually Are for Third Grade
Helping verbs — also called auxiliary verbs — are the small words that pair with a main verb to show tense, possibility, or ongoing action. In third grade, the focus is almost entirely on is, am, are, was, were, will, can, and do. That's it. You're not introducing perfect progressive tenses or modal perfects. You're building the foundation that students will carry through middle school grammar. When I designed a Helping Verbs Worksheet 3rd Grade resource last spring, I ran into a specific problem that most worksheet creators overlook. The sentence "She is running fast" gets marked correct when students identify "is" as the helping verb. But then the next sentence is "She is happy." Here "is" is a linking verb, not an auxiliary. Third graders aren't ready for that distinction, but the worksheet itself becomes contradictory. Kids start circling "is" in both cases without realizing they're serving different grammatical functions. The workaround was simple: I stopped mixing linking verbs into the identifying exercises entirely. Every sentence in the core worksheet uses a helping verb in its true auxiliary role. The linking verb exception goes into a separate advanced section, clearly labeled, so the primary practice set stays internally consistent. This might seem like a minor detail. It isn't. A single inconsistent example can undo two weeks of clarification.
How to Use a Helping Verbs Worksheet 3rd Grade in the Classroom
The most effective approach I've found doesn't follow the standard "introduce concept, hand out worksheet, grade it" loop. Instead, I do the worksheet first, ungraded, as a diagnostic. Students work in pairs. They circle the helping verb in each sentence and write the main verb beneath it. I collect them, scan for patterns, and then teach directly to whatever mistakes showed up. This usually takes about ten minutes of work and cuts my preparation time down significantly because I'm not guessing what they don't understand. The sentences on a solid third-grade worksheet should progress from simple identification to light application. The first section asks students to find the helping verb. The second asks them to fill in the blank with the correct form. The third introduces a slight twist: combining two sentences using a helping verb. For example, "The dog barked. The cat ran." becomes "The dog is barking and the cat is running." This combination step is where most students stumble, and it's also where the most learning happens. One thing that catches people off guard: third graders frequently confuse will and can when filling in blanks because both fit grammatically in many sentences. "She ___ run fast" works with either. The worksheet needs to provide context clues — a time marker like "tomorrow" for will, or a ability cue like "since she started track" for can — otherwise you're testing vocabulary interpretation rather than grammar knowledge. I learned this the hard way when a student scored 92 percent on a worksheet that had eight ambiguous can/will items. She knew the concept cold. The test was just poorly written.
What to Look for in a Quality Worksheet
Not every Helping Verbs Worksheet 3rd Grade resource you find online is worth using. Some have more than fifteen different helping verbs mixed together, which overwhelms sixth-grade students let alone eighth-graders. A proper third-grade sheet sticks to the core set and repeats them in different contexts. It also avoids trick sentences that rely on contractions like "I'm" or "they're" without first teaching the expansion. Students who haven't internalized that "I'm" equals "I am" will default to marking the wrong word. Another issue I see constantly: worksheets that present helping verbs only in affirmative sentences. Real language uses negatives and questions constantly. "Does she like apples?" and "They are not coming" are essential forms. A worksheet that ignores these creates a gap. I always add a section on question formation and negation, even if it's just three or four items. The cognitive leap from "She runs" to "Does she run" is one of the harder concepts at this level, and practice here prevents a lot of later confusion. Here's the blunt part that worksheet publishers don't advertise: these sheets only work if the student already has a reasonable grasp of main verbs. If a child can't identify that "running" is a verb in "She is running," then no amount of helping-verb practice will help. I've seen teachers spend three weeks on auxiliaries with a class that actually needed a main-verb review first. We ended up going back two grades' worth of material. Time that was gone.
Get the Full Details

If you need a ready-made set that follows the structure I described — progressive difficulty, no ambiguous can/will traps, dedicated question and negative sections, and no linking verb contamination in the core set — I put mine together and share it through my teaching resource page. It's free, PDF format, and includes an answer key with brief explanations for each item. Search for Helping Verbs Worksheet 3rd Grade along with my name and you should find it near the top. The download link is straightforward. No registration wall, no email capture that just sends you a coupon code for a paid product. One final note on what these worksheets can't do. They won't fix a student who reads below grade level. Helping verb identification requires reading comprehension at a basic level — the child needs to parse the sentence structure well enough to see where the verb phrase begins and ends. If decoding is the bottleneck, grammar worksheets are the wrong intervention. Start with leveled reading and oral sentence building instead. The worksheet comes later, when the reading foundation is solid enough to support it.