Answer:
1) are sitting ; having ; watching
2) is reading ; is washing ; is watching ; am doing
3) are swimming ; is reading ; is drinking
4) is driving ; is talking
5) are sleeping ; am watching
6) are going
7) is helping ; are preparing
8) is wearing
9) am trying
10) is brushing
11) is planting
12) are climbing ; are having
13) am doing
Explanation:
singular ( 1 ) - is
plural ( > 1 ) - are
An infinitive is the infinitive form of the verb that is being formed with "to" plus the base form of the verb. It can be used either as a noun, adjective or as an adverb. ... This infinitive functions in the sentence as an adverb, modifying the verb "create".
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