Verb to be Negative - Long and Short form

In this A1-level ESL worksheet about demonstrative pronouns in the English language, your students must fill-in-the-blanks with "this", "these", "that", or "those" while learning Thanksgiving vocabulary.

English as a second language 
Simple Past & Past Participle forms of Irregular Verbs
 

• Main content: Irregular verbs
• Other contents: Past simple, Present Perfect

English as a second language 
positive, negative, questions

• Main content: Past simple
• Other contents: verb to be

I adapted this document from an unfinished one here on liveworksheets.
There are a couple of not perfect sentences in activities 3 and 4, when I saw them I had almost finished editing.