you refute (you refute) you refuted (you refuted) you will refute (you will refute)
we refute (we refute) we refuted (we refuted) we will refute (we will refute)
they refute (they refute) they refuted (they refuted) they will refute (they will refute)
13.4d TO PERFORM (to perform) / He promised not to perform it. (He promised
not to perform it.)
Perform. (Perform.) / Please don't perform it. (Please don't perform it.)
Performing (performing) / He is performing it. (He is performing it.)
performed (performed) / it is performed (it is performed) / it was performed
(it was performed) / it will be performed (it will be performed)
- I perform (I perform) / he performs (he performs) / she performs (she
performs) / it performs (it performs) / you perform (you perform) / we
perform (we perform) / they perform (they perform) - I performed (I performed) / he performed (he performed) / she performed
(she performed) / it performed (it performed) / you performed (you
performed) / we performed (we performed) / they performed (they
performed) - I will perform (I will perform) / he will perform (he will perform) / she will
perform (she will perform) / it will perform (it will perform) / you will
perform (you will perform) / we will perform (we will perform) / they will
perform (they will perform)
13.4e TO PRESENT (to present) / He promised to present it. (He promised to (^) ls13g.mp3
present it.)
ls13gb.mp3
Present. (Present.) / Please don't present it. (Please don't present it.)
presenting (presenting) / He is presenting it. (He is presenting it.)