Type:

E-book, Graphic Organizer/Worksheet

Description:

Part of Athabasca University's Mobile ESL Course, Exercise 35.2 tests your knowledge of past tense forms to show obligation.

Subjects:

  • Language Arts > General

Education Levels:

  • Other

Keywords:

verb verb form base form -s form -ing form past form past participle be auxiliary verb do have imperative present simple affirmative statements negative statements questions past simple present continuous past continuous present perfect continuous present perfect past perfect modal verb can could may might will shall would must should have to need to needn’t be able to ought to have got to had better be going to use to simple formation continuous formation perfect formation non

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0
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