trả lời đúng cho 5 sao

$15.$ won't catch

$16.$ will look

$17.$ will pass

$18.$ will be waiting

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$1.$ were you doing

- S + was/were + V-ing

$2.$ has changed

- S + have/ has + V3.

$3.$ were you spent

- S + was/ were

$4.$ was doing/ saw

$5.$ were singing

$6.$ invites

- S + V (s/es).

$7.$ was speaking

$8.$ got

- S + had + V (pii)

- S + V (-ed/ bat quy tac)

$9.$ are you/ am having

- S + am/ is/ are + V-ing.

$10.$ has driven/ knew

$11.$ will come/ see

$12.$ will come

- S + will + V.

$13.$ will you spend

$14.$ blooms

- S + V (s/es).

$@vanw$