When you're using the past tense, for things that have already happened, the verbs 'was' and 'were' can be used. These are also from the verb 'be' and are matched to a subject, like 'am', 'is' and ...

Phrasal verbs represent a practically limitless group of verbs that can be combined with short adverbs or prepositions to produce new meanings. Here are some examples: Phrasal verbs are ubiquitous in ...