Investigations
I stand outside.
Yesterday I ____ outside.
stood
Maria yawned and rubbed her eyes while the teacher was talking.
She is tired/bored.
The inflatable raft sinks into the water if you let the air out.
Yesterday, the inflatable raft ____ into the water after I let the air out.
sank
The audience stood up and clapped loudly as the curtain closed.
The performance was over and they liked it.
I send flowers to my friends on Valentine's day.
Last year, I ____ flowers to my friends on Valentine's day.
sent
I wear a new shirt to the movies.
Last week, I ____ a new shirt to the movies.
wore
I swim very fast.
Yesterday, I ___ very fast.
swam