Be

or implied

(auxiliary: used to form the passive voice)

來 /来

lái

(elliptical form of "be here", "go to and return from" or similar)

在

zài

(auxiliary: used to form the continuous aspect of various tenses)

在

(intransitive, non-copulative (usually literary in English): to exist; to have real existence)

在

zài

(to occupy a place)

在

zài

(to occur, take place)

在

zài

(elliptical form of "be here", "go to and return from" or similar)

存在

cúnzài

(intransitive, non-copulative (usually literary in English): to exist; to have real existence)

是

shì

(used to declare the subject and object identical or equivalent)

是

shì

(used to indicate that the values on either side of an equation are the same)

是

shì

(used to indicate that the subject plays the role of the predicate nominal)

是

shì

(used to indicate that the subject has the qualities described by a noun or noun phrase)

是

shì

(intransitive, non-copulative (usually literary in English): to exist; to have real existence)

是

shì

(elliptical form of "be here", "go to and return from" or similar)

有

yǒu

(intransitive, non-copulative (usually literary in English): to exist; to have real existence)

有

yǒu

(to occur, take place)

有

yǒu

(elliptical form of "be here", "go to and return from" or similar)

正在

zhèngzài

(auxiliary: used to form the continuous aspect of various tenses)

歲 /岁

suì

(used to state the age of a subject in years)

着

zhe

(auxiliary: used to form the continuous aspect of various tenses)