CCSS.ELA-LITERACY.L.4.1.C : Fourth Grade English Language Arts Worksheets

About L.4.1.C

Use modal auxiliaries (e.g., can, may, must) to convey various conditions.

Here is a collection of our common core aligned worksheets for core standard L.4.1.C.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

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L.4.A      L.4.1.C

Worksheet: Fourth Grade

Can or Could?


Write the correct modal auxiliary verb (can, can’t, could or couldn’t) in the blank to complete each sentence.

Core Standard: L.4.1.C


Worksheet: Fourth Grade

Modal Auxiliary Verb : Can


Determine how “can” is used in each sentence.

Core Standard: L.4.1.C


Worksheet: Fourth Grade

Modal Auxiliary Verb : Could


Determine how “could” is used in each sentence.

Core Standard: L.4.1.C


Worksheet: Fourth Grade

Monkeying Around


Read and complete each sentence with the correct auxiliary verb.

Core Standard: L.4.1.C


Worksheet: Fourth Grade

Modal Auxiliary Verbs : May and Might


Write the correct auxiliary verb (may or might) in the blanks to complete the sentences.

Core Standard: L.4.1.C


Worksheet: Fourth Grade

Modal Auxiliary Verbs : Will and Would


Write the correct auxiliary verb (will or would) in the blanks to complete the sentences.

Core Standard: L.4.1.C



Write the correct auxiliary verb (shall or should) in the blanks to complete the sentences.

Core Standard: L.4.1.C



Write the correct auxiliary verb (must, have to/has to, or either) in the blanks to complete the sentences.

Core Standard: L.4.1.C



Write the correct auxiliary verb (ought to or had better) in the blanks to complete the sentences.

Core Standard: L.4.1.C



Again, we encourage you to see more printable worksheets in common core standard L.4.A .