present tense past tense future tense
simple- do/does (v1) v2 did will/shall (v
present tense past tense future tense
simple- do/does (v1) v2 did will/shall (v1) continuous- is/am/are (ing) was/were (ing) will/shall (ing) perfect- has/have (v3) had (v3) will/ shall +have (v3) per.continu.- has/have+been (ing) had been (ing) will/shall+have been (ing)