1. i broke (break) a glass while i was washing up (wash up). 2. when
jack (introduce) me to his friend, he _ (forget) my name.
3. the chair_ (break ) when sally
(sit) down. 4. while
peter
(walk) to school, he_ (see) he was wearing different
socks. 5. as tom_ (answer) the teacher's questions his tablet
(produce) a strange sound. 6. as they_ (walk) under the
tree the apple (fall) down from the tree.