Choose the third form:

1.
felt
feeling
feel

2.
say
said
saiy

3.
sold
selling
sell

the third form:

1.  felt

2.  said

3.  sold

1. feel felt felt

2.say said said

3. sell sold sold

1)have you joined your friend's club? i haven't joined my friend's club yet but i'm going to do it.

2)have you seen those animals? i haven't seen the animals but i'm going to see them.

3)have they rebuilt the left wing of their house? they haven't rebuilt the left wing of their house but they are  going to do it.

4)has she been to see the vet with her pet? she hasn't been to see the vet with her pet becouse the vet was ill.

5)have you arranged the party? i haven't arranged the party yet but i'm going to do that.

6)has she invited the scientists to the conference? she hasn't invited the scientists to the conference but she is going to do that.