Grammar practice check 3 present tenses

ex. 1 question 1

• is

• is being

ex 1 question 2

• do you think

• did you think

ex 1 question 3

• we are having

• we have

ex 1 question 4

• has just come

• just came

ex 1 question 5

• did not see

• have not seen

ex 1 question 6

• has already sold

• already sold

ex 1 question 7

• did you know

• do you know

• have you known

ex 1 question 8

• are

• was

• were

ex 1 question 9

• was trying/ did not return

• have been trying/ have not returned

• am trying/ is not returning

ex 1 question 10

• had been reading/ did not finish

• was reading/ did not finish

• have been reading/ have not finished